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authorOleg Nesterov <oleg@tv-sign.ru>2007-05-30 11:06:33 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-06-25 23:38:05 -0700
commit8cfbe7e60d9618d8f80a3cd218c45dd64cb9e5cf (patch)
tree48c1aede4fcad60dfaf049983a67bd5d087ff05f /drivers/usb/gadget/file_storage.c
parent189548642c5962e60c3667bdb3a703fe0bed12a6 (diff)
downloadop-kernel-dev-8cfbe7e60d9618d8f80a3cd218c45dd64cb9e5cf.zip
op-kernel-dev-8cfbe7e60d9618d8f80a3cd218c45dd64cb9e5cf.tar.gz
USB: g_file_storage: call allow_signal()
New changes in the signal-handling code require compensating changes in g_file_storage. This patch (as913) by Oleg Nesterov makes the code use allow_signal() instead of sigprocmask(). From: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/file_storage.c')
-rw-r--r--drivers/usb/gadget/file_storage.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index c6b6479..4639b62 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -686,7 +686,6 @@ struct fsg_dev {
int thread_wakeup_needed;
struct completion thread_notifier;
struct task_struct *thread_task;
- sigset_t thread_signal_mask;
int cmnd_size;
u8 cmnd[MAX_COMMAND_SIZE];
@@ -3277,8 +3276,7 @@ static void handle_exception(struct fsg_dev *fsg)
/* Clear the existing signals. Anything but SIGUSR1 is converted
* into a high-priority EXIT exception. */
for (;;) {
- sig = dequeue_signal_lock(current, &fsg->thread_signal_mask,
- &info);
+ sig = dequeue_signal_lock(current, &current->blocked, &info);
if (!sig)
break;
if (sig != SIGUSR1) {
@@ -3431,10 +3429,10 @@ static int fsg_main_thread(void *fsg_)
/* Allow the thread to be killed by a signal, but set the signal mask
* to block everything but INT, TERM, KILL, and USR1. */
- siginitsetinv(&fsg->thread_signal_mask, sigmask(SIGINT) |
- sigmask(SIGTERM) | sigmask(SIGKILL) |
- sigmask(SIGUSR1));
- sigprocmask(SIG_SETMASK, &fsg->thread_signal_mask, NULL);
+ allow_signal(SIGINT);
+ allow_signal(SIGTERM);
+ allow_signal(SIGKILL);
+ allow_signal(SIGUSR1);
/* Arrange for userspace references to be interpreted as kernel
* pointers. That way we can pass a kernel pointer to a routine
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