diff options
author | Jeff Dike <jdike@addtoit.com> | 2007-10-16 01:26:57 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:05 -0700 |
commit | ae2587e41254e48e670346aefa332d7469d86352 (patch) | |
tree | c5e8ba8f3bff3a269f8c88a2a9e4c657226e378e /arch | |
parent | 6aa802ce6acc9b1f0b34114b3f7c21c84872cc3a (diff) | |
download | op-kernel-dev-ae2587e41254e48e670346aefa332d7469d86352.zip op-kernel-dev-ae2587e41254e48e670346aefa332d7469d86352.tar.gz |
uml: style fixes pass 2
Formatting changes in the files which have been changed in the course
of removing CHOOSE_MODE. These include:
copyright updates
header file trimming
style fixes
adding severity to printks
These changes should be entirely non-functional.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/um/drivers/mconsole_kern.c | 250 | ||||
-rw-r--r-- | arch/um/include/um_mmu.h | 2 | ||||
-rw-r--r-- | arch/um/include/um_uaccess.h | 15 | ||||
-rw-r--r-- | arch/um/kernel/ksyms.c | 17 |
4 files changed, 135 insertions, 149 deletions
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 3591c38..5f6dbb1 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -1,43 +1,35 @@ /* * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) - * Copyright (C) 2001 - 2003 Jeff Dike (jdike@addtoit.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include "linux/kernel.h" -#include "linux/slab.h" -#include "linux/init.h" -#include "linux/notifier.h" -#include "linux/reboot.h" -#include "linux/utsname.h" +#include "linux/console.h" #include "linux/ctype.h" #include "linux/interrupt.h" -#include "linux/sysrq.h" -#include "linux/workqueue.h" +#include "linux/list.h" +#include "linux/mm.h" #include "linux/module.h" -#include "linux/file.h" -#include "linux/fs.h" -#include "linux/namei.h" +#include "linux/notifier.h" +#include "linux/reboot.h" #include "linux/proc_fs.h" +#include "linux/slab.h" #include "linux/syscalls.h" -#include "linux/list.h" -#include "linux/mm.h" -#include "linux/console.h" -#include "asm/irq.h" +#include "linux/utsname.h" +#include "linux/workqueue.h" #include "asm/uaccess.h" +#include "init.h" +#include "irq_kern.h" +#include "irq_user.h" #include "kern_util.h" -#include "kern.h" #include "mconsole.h" #include "mconsole_kern.h" -#include "irq_user.h" -#include "init.h" #include "os.h" -#include "irq_kern.h" static int do_unlink_socket(struct notifier_block *notifier, unsigned long what, void *data) { - return(mconsole_unlink_socket()); + return mconsole_unlink_socket(); } @@ -58,10 +50,9 @@ static void mc_work_proc(struct work_struct *unused) struct mconsole_entry *req; unsigned long flags; - while(!list_empty(&mc_requests)){ + while (!list_empty(&mc_requests)) { local_irq_save(flags); - req = list_entry(mc_requests.next, struct mconsole_entry, - list); + req = list_entry(mc_requests.next, struct mconsole_entry, list); list_del(&req->list); local_irq_restore(flags); req->request.cmd->handler(&req->request); @@ -79,12 +70,12 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id) static struct mc_request req; /* that's OK */ fd = (long) dev_id; - while (mconsole_get_request(fd, &req)){ - if(req.cmd->context == MCONSOLE_INTR) + while (mconsole_get_request(fd, &req)) { + if (req.cmd->context == MCONSOLE_INTR) (*req.cmd->handler)(&req); else { new = kmalloc(sizeof(*new), GFP_NOWAIT); - if(new == NULL) + if (new == NULL) mconsole_reply(&req, "Out of memory", 1, 0); else { new->request = req; @@ -93,10 +84,10 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id) } } } - if(!list_empty(&mc_requests)) + if (!list_empty(&mc_requests)) schedule_work(&mconsole_work); reactivate_fd(fd, MCONSOLE_IRQ); - return(IRQ_HANDLED); + return IRQ_HANDLED; } void mconsole_version(struct mc_request *req) @@ -104,8 +95,8 @@ void mconsole_version(struct mc_request *req) char version[256]; sprintf(version, "%s %s %s %s %s", utsname()->sysname, - utsname()->nodename, utsname()->release, - utsname()->version, utsname()->machine); + utsname()->nodename, utsname()->release, utsname()->version, + utsname()->machine); mconsole_reply(req, version, 0, 0); } @@ -117,7 +108,7 @@ void mconsole_log(struct mc_request *req) ptr += strlen("log "); len = req->len - (ptr - req->request.data); - printk("%.*s", len, ptr); + printk(KERN_WARNING "%.*s", len, ptr); mconsole_reply(req, "", 0, 0); } @@ -136,17 +127,17 @@ void mconsole_proc(struct mc_request *req) char *ptr = req->request.data, *buf; ptr += strlen("proc"); - while(isspace(*ptr)) ptr++; + while (isspace(*ptr)) ptr++; proc = get_fs_type("proc"); - if(proc == NULL){ + if (proc == NULL) { mconsole_reply(req, "procfs not registered", 1, 0); goto out; } super = (*proc->get_sb)(proc, 0, NULL, NULL); put_filesystem(proc); - if(super == NULL){ + if (super == NULL) { mconsole_reply(req, "Failed to get procfs superblock", 1, 0); goto out; } @@ -161,29 +152,29 @@ void mconsole_proc(struct mc_request *req) * if commenting out these two calls + the below read cycle. To * make UML crash again, it was enough to readd either one.*/ err = link_path_walk(ptr, &nd); - if(err){ + if (err) { mconsole_reply(req, "Failed to look up file", 1, 0); goto out_kill; } file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); - if(IS_ERR(file)){ + if (IS_ERR(file)) { mconsole_reply(req, "Failed to open file", 1, 0); goto out_kill; } /*END*/ buf = kmalloc(PAGE_SIZE, GFP_KERNEL); - if(buf == NULL){ + if (buf == NULL) { mconsole_reply(req, "Failed to allocate buffer", 1, 0); goto out_fput; } - if((file->f_op != NULL) && (file->f_op->read != NULL)){ + if ((file->f_op != NULL) && (file->f_op->read != NULL)) { do { n = (*file->f_op->read)(file, buf, PAGE_SIZE - 1, &file->f_pos); - if(n >= 0){ + if (n >= 0) { buf[n] = '\0'; mconsole_reply(req, buf, 0, (n > 0)); } @@ -192,7 +183,7 @@ void mconsole_proc(struct mc_request *req) 1, 0); goto out_free; } - } while(n > 0); + } while (n > 0); } else mconsole_reply(req, "", 0, 0); @@ -216,18 +207,19 @@ void mconsole_proc(struct mc_request *req) char *ptr = req->request.data; ptr += strlen("proc"); - while(isspace(*ptr)) ptr++; + while (isspace(*ptr)) + ptr++; snprintf(path, sizeof(path), "/proc/%s", ptr); fd = sys_open(path, 0, 0); if (fd < 0) { mconsole_reply(req, "Failed to open file", 1, 0); - printk("open %s: %d\n",path,fd); + printk(KERN_ERR "open %s: %d\n",path,fd); goto out; } buf = kmalloc(PAGE_SIZE, GFP_KERNEL); - if(buf == NULL){ + if (buf == NULL) { mconsole_reply(req, "Failed to allocate buffer", 1, 0); goto out_close; } @@ -238,7 +230,7 @@ void mconsole_proc(struct mc_request *req) mconsole_reply(req, "Read of file failed", 1, 0); goto out_free; } - /*Begin the file content on his own line.*/ + /* Begin the file content on his own line. */ if (first_chunk) { mconsole_reply(req, "\n", 0, 1); first_chunk = 0; @@ -350,12 +342,12 @@ static struct mc_device *mconsole_find_dev(char *name) struct list_head *ele; struct mc_device *dev; - list_for_each(ele, &mconsole_devices){ + list_for_each(ele, &mconsole_devices) { dev = list_entry(ele, struct mc_device, list); - if(!strncmp(name, dev->name, strlen(dev->name))) - return(dev); + if (!strncmp(name, dev->name, strlen(dev->name))) + return dev; } - return(NULL); + return NULL; } #define UNPLUGGED_PER_PAGE \ @@ -377,15 +369,15 @@ static int mem_config(char *str, char **error_out) int err = -EINVAL, i, add; char *ret; - if(str[0] != '='){ + if (str[0] != '=') { *error_out = "Expected '=' after 'mem'"; goto out; } str++; - if(str[0] == '-') + if (str[0] == '-') add = 0; - else if(str[0] == '+'){ + else if (str[0] == '+') { add = 1; } else { @@ -395,7 +387,7 @@ static int mem_config(char *str, char **error_out) str++; diff = memparse(str, &ret); - if(*ret != '\0'){ + if (*ret != '\0') { *error_out = "Failed to parse memory increment"; goto out; } @@ -403,17 +395,17 @@ static int mem_config(char *str, char **error_out) diff /= PAGE_SIZE; down(&plug_mem_mutex); - for(i = 0; i < diff; i++){ + for (i = 0; i < diff; i++) { struct unplugged_pages *unplugged; void *addr; - if(add){ - if(list_empty(&unplugged_pages)) + if (add) { + if (list_empty(&unplugged_pages)) break; unplugged = list_entry(unplugged_pages.next, struct unplugged_pages, list); - if(unplug_index > 0) + if (unplug_index > 0) addr = unplugged->pages[--unplug_index]; else { list_del(&unplugged->list); @@ -428,11 +420,11 @@ static int mem_config(char *str, char **error_out) struct page *page; page = alloc_page(GFP_ATOMIC); - if(page == NULL) + if (page == NULL) break; unplugged = page_address(page); - if(unplug_index == UNPLUGGED_PER_PAGE){ + if (unplug_index == UNPLUGGED_PER_PAGE) { list_add(&unplugged->list, &unplugged_pages); unplug_index = 0; } @@ -444,9 +436,9 @@ static int mem_config(char *str, char **error_out) struct unplugged_pages, list); err = os_drop_memory(addr, PAGE_SIZE); - if(err){ - printk("Failed to release memory - " - "errno = %d\n", err); + if (err) { + printk(KERN_ERR "Failed to release " + "memory - errno = %d\n", err); *error_out = "Failed to release memory"; goto out_unlock; } @@ -500,10 +492,10 @@ static struct mc_device mem_mc = { static int __init mem_mc_init(void) { - if(can_drop_memory()) + if (can_drop_memory()) mconsole_register_dev(&mem_mc); - else printk("Can't release memory to the host - memory hotplug won't " - "be supported\n"); + else printk(KERN_ERR "Can't release memory to the host - memory " + "hotplug won't be supported\n"); return 0; } @@ -518,7 +510,7 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, char default_buf[CONFIG_BUF_SIZE], *error, *buf; int n, size; - if(get_config == NULL){ + if (get_config == NULL) { mconsole_reply(req, "No get_config routine defined", 1, 0); return; } @@ -527,30 +519,30 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, size = ARRAY_SIZE(default_buf); buf = default_buf; - while(1){ + while (1) { n = (*get_config)(name, buf, size, &error); - if(error != NULL){ + if (error != NULL) { mconsole_reply(req, error, 1, 0); goto out; } - if(n <= size){ + if (n <= size) { mconsole_reply(req, buf, 0, 0); goto out; } - if(buf != default_buf) + if (buf != default_buf) kfree(buf); size = n; buf = kmalloc(size, GFP_KERNEL); - if(buf == NULL){ + if (buf == NULL) { mconsole_reply(req, "Failed to allocate buffer", 1, 0); return; } } out: - if(buf != default_buf) + if (buf != default_buf) kfree(buf); } @@ -561,19 +553,20 @@ void mconsole_config(struct mc_request *req) int err; ptr += strlen("config"); - while(isspace(*ptr)) ptr++; + while (isspace(*ptr)) + ptr++; dev = mconsole_find_dev(ptr); - if(dev == NULL){ + if (dev == NULL) { mconsole_reply(req, "Bad configuration option", 1, 0); return; } name = &ptr[strlen(dev->name)]; ptr = name; - while((*ptr != '=') && (*ptr != '\0')) + while ((*ptr != '=') && (*ptr != '\0')) ptr++; - if(*ptr == '='){ + if (*ptr == '=') { err = (*dev->config)(name, &error_string); mconsole_reply(req, error_string, err, 0); } @@ -588,9 +581,9 @@ void mconsole_remove(struct mc_request *req) int err, start, end, n; ptr += strlen("remove"); - while(isspace(*ptr)) ptr++; + while (isspace(*ptr)) ptr++; dev = mconsole_find_dev(ptr); - if(dev == NULL){ + if (dev == NULL) { mconsole_reply(req, "Bad remove option", 1, 0); return; } @@ -599,11 +592,11 @@ void mconsole_remove(struct mc_request *req) err = 1; n = (*dev->id)(&ptr, &start, &end); - if(n < 0){ + if (n < 0) { err_msg = "Couldn't parse device number"; goto out; } - else if((n < start) || (n > end)){ + else if ((n < start) || (n > end)) { sprintf(error, "Invalid device number - must be between " "%d and %d", start, end); err_msg = error; @@ -612,16 +605,16 @@ void mconsole_remove(struct mc_request *req) err_msg = NULL; err = (*dev->remove)(n, &err_msg); - switch(err){ + switch(err) { case 0: err_msg = ""; break; case -ENODEV: - if(err_msg == NULL) + if (err_msg == NULL) err_msg = "Device doesn't exist"; break; case -EBUSY: - if(err_msg == NULL) + if (err_msg == NULL) err_msg = "Device is currently open"; break; default: @@ -647,19 +640,19 @@ static void console_write(struct console *console, const char *string, struct list_head *ele; int n; - if(list_empty(&clients)) + if (list_empty(&clients)) return; - while(1){ + while (1) { n = min((size_t) len, ARRAY_SIZE(console_buf) - console_index); strncpy(&console_buf[console_index], string, n); console_index += n; string += n; len -= n; - if(len == 0) + if (len == 0) return; - list_for_each(ele, &clients){ + list_for_each(ele, &clients) { struct mconsole_output *entry; entry = list_entry(ele, struct mconsole_output, list); @@ -717,12 +710,13 @@ void mconsole_sysrq(struct mc_request *req) char *ptr = req->request.data; ptr += strlen("sysrq"); - while(isspace(*ptr)) ptr++; + while (isspace(*ptr)) ptr++; - /* With 'b', the system will shut down without a chance to reply, + /* + * With 'b', the system will shut down without a chance to reply, * so in this case, we reply first. */ - if(*ptr == 'b') + if (*ptr == 'b') mconsole_reply(req, "", 0, 0); with_console(req, sysrq_proc, ptr); @@ -742,7 +736,8 @@ static void stack_proc(void *arg) switch_to(from, to, from); } -/* Mconsole stack trace +/* + * Mconsole stack trace * Added by Allan Graves, Jeff Dike * Dumps a stacks registers to the linux console. * Usage stack <pid>. @@ -754,17 +749,21 @@ void mconsole_stack(struct mc_request *req) struct task_struct *from = NULL; struct task_struct *to = NULL; - /* Would be nice: + /* + * Would be nice: * 1) Send showregs output to mconsole. * 2) Add a way to stack dump all pids. */ ptr += strlen("stack"); - while(isspace(*ptr)) ptr++; + while (isspace(*ptr)) + ptr++; - /* Should really check for multiple pids or reject bad args here */ + /* + * Should really check for multiple pids or reject bad args here + */ /* What do the arguments in mconsole_reply mean? */ - if(sscanf(ptr, "%d", &pid_requested) == 0){ + if (sscanf(ptr, "%d", &pid_requested) == 0) { mconsole_reply(req, "Please specify a pid", 1, 0); return; } @@ -772,14 +771,15 @@ void mconsole_stack(struct mc_request *req) from = current; to = find_task_by_pid(pid_requested); - if((to == NULL) || (pid_requested == 0)) { + if ((to == NULL) || (pid_requested == 0)) { mconsole_reply(req, "Couldn't find that pid", 1, 0); return; } with_console(req, stack_proc, to); } -/* Changed by mconsole_setup, which is __setup, and called before SMP is +/* + * Changed by mconsole_setup, which is __setup, and called before SMP is * active. */ static char *notify_socket = NULL; @@ -791,13 +791,14 @@ static int __init mconsole_init(void) int err; char file[256]; - if(umid_file_name("mconsole", file, sizeof(file))) return(-1); + if (umid_file_name("mconsole", file, sizeof(file))) + return -1; snprintf(mconsole_socket_name, sizeof(file), "%s", file); sock = os_create_unix_socket(file, sizeof(file), 1); - if (sock < 0){ - printk("Failed to initialize management console\n"); - return(1); + if (sock < 0) { + printk(KERN_ERR "Failed to initialize management console\n"); + return 1; } register_reboot_notifier(&reboot_notifier); @@ -805,14 +806,14 @@ static int __init mconsole_init(void) err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt, IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "mconsole", (void *)sock); - if (err){ - printk("Failed to get IRQ for management console\n"); - return(1); + if (err) { + printk(KERN_ERR "Failed to get IRQ for management console\n"); + return 1; } - if(notify_socket != NULL){ + if (notify_socket != NULL) { notify_socket = kstrdup(notify_socket, GFP_KERNEL); - if(notify_socket != NULL) + if (notify_socket != NULL) mconsole_notify(notify_socket, MCONSOLE_SOCKET, mconsole_socket_name, strlen(mconsole_socket_name) + 1); @@ -820,9 +821,9 @@ static int __init mconsole_init(void) "string\n"); } - printk("mconsole (version %d) initialized on %s\n", + printk(KERN_INFO "mconsole (version %d) initialized on %s\n", MCONSOLE_VERSION, mconsole_socket_name); - return(0); + return 0; } __initcall(mconsole_init); @@ -833,10 +834,10 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer, char *buf; buf = kmalloc(count + 1, GFP_KERNEL); - if(buf == NULL) - return(-ENOMEM); + if (buf == NULL) + return -ENOMEM; - if(copy_from_user(buf, buffer, count)){ + if (copy_from_user(buf, buffer, count)) { count = -EFAULT; goto out; } @@ -846,24 +847,26 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer, mconsole_notify(notify_socket, MCONSOLE_USER_NOTIFY, buf, count); out: kfree(buf); - return(count); + return count; } static int create_proc_mconsole(void) { struct proc_dir_entry *ent; - if(notify_socket == NULL) return(0); + if (notify_socket == NULL) + return 0; ent = create_proc_entry("mconsole", S_IFREG | 0200, NULL); - if(ent == NULL){ - printk(KERN_INFO "create_proc_mconsole : create_proc_entry failed\n"); - return(0); + if (ent == NULL) { + printk(KERN_INFO "create_proc_mconsole : create_proc_entry " + "failed\n"); + return 0; } ent->read_proc = NULL; ent->write_proc = write_proc_mconsole; - return(0); + return 0; } static DEFINE_SPINLOCK(notify_spinlock); @@ -884,12 +887,12 @@ __initcall(create_proc_mconsole); static int mconsole_setup(char *str) { - if(!strncmp(str, NOTIFY, strlen(NOTIFY))){ + if (!strncmp(str, NOTIFY, strlen(NOTIFY))) { str += strlen(NOTIFY); notify_socket = str; } else printk(KERN_ERR "mconsole_setup : Unknown option - '%s'\n", str); - return(1); + return 1; } __setup("mconsole", mconsole_setup); @@ -907,11 +910,12 @@ static int notify_panic(struct notifier_block *self, unsigned long unused1, { char *message = ptr; - if(notify_socket == NULL) return(0); + if (notify_socket == NULL) + return 0; mconsole_notify(notify_socket, MCONSOLE_PANIC, message, strlen(message) + 1); - return(0); + return 0; } static struct notifier_block panic_exit_notifier = { @@ -924,14 +928,14 @@ static int add_notifier(void) { atomic_notifier_chain_register(&panic_notifier_list, &panic_exit_notifier); - return(0); + return 0; } __initcall(add_notifier); char *mconsole_notify_socket(void) { - return(notify_socket); + return notify_socket; } EXPORT_SYMBOL(mconsole_notify_socket); diff --git a/arch/um/include/um_mmu.h b/arch/um/include/um_mmu.h index 03bd4b9..668da84 100644 --- a/arch/um/include/um_mmu.h +++ b/arch/um/include/um_mmu.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h index b1629b1..5ef311a 100644 --- a/arch/um/include/um_uaccess.h +++ b/arch/um/include/um_uaccess.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -10,7 +10,7 @@ #define __under_task_size(addr, size) \ (((unsigned long) (addr) < TASK_SIZE) && \ - (((unsigned long) (addr) + (size)) < TASK_SIZE)) + (((unsigned long) (addr) + (size)) < TASK_SIZE)) #define __access_ok_vsyscall(type, addr, size) \ ((type == VERIFY_READ) && \ @@ -90,14 +90,3 @@ extern int clear_user(void __user *mem, int len); extern int strnlen_user(const void __user *str, int len); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c index 996412c..341234d 100644 --- a/arch/um/kernel/ksyms.c +++ b/arch/um/kernel/ksyms.c @@ -1,22 +1,15 @@ /* - * Copyright (C) 2001 - 2004 Jeff Dike (jdike@addtoit.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ #include "linux/module.h" -#include "linux/string.h" -#include "linux/smp_lock.h" -#include "linux/spinlock.h" -#include "linux/highmem.h" -#include "asm/current.h" -#include "asm/processor.h" -#include "asm/unistd.h" -#include "asm/pgalloc.h" -#include "asm/pgtable.h" -#include "asm/page.h" +#include "linux/syscalls.h" +#include "asm/a.out.h" #include "asm/tlbflush.h" -#include "kern_util.h" +#include "asm/uaccess.h" #include "as-layout.h" +#include "kern_util.h" #include "mem_user.h" #include "os.h" |