diff options
Diffstat (limited to 'fs/proc/base.c')
-rw-r--r-- | fs/proc/base.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 57554bf..e31903a 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1419,6 +1419,8 @@ static struct file_operations proc_tgid_attr_operations; static struct inode_operations proc_tgid_attr_inode_operations; #endif +static int get_tid_list(int index, unsigned int *tids, struct inode *dir); + /* SMP-safe */ static struct dentry *proc_pident_lookup(struct inode *dir, struct dentry *dentry, @@ -1458,7 +1460,7 @@ static struct dentry *proc_pident_lookup(struct inode *dir, */ switch(p->type) { case PROC_TGID_TASK: - inode->i_nlink = 3; + inode->i_nlink = 2 + get_tid_list(2, NULL, dir); inode->i_op = &proc_task_inode_operations; inode->i_fop = &proc_task_operations; break; @@ -1701,13 +1703,13 @@ static struct inode_operations proc_self_inode_operations = { }; /** - * proc_pid_unhash - Unhash /proc/<pid> entry from the dcache. + * proc_pid_unhash - Unhash /proc/@pid entry from the dcache. * @p: task that should be flushed. * - * Drops the /proc/<pid> dcache entry from the hash chains. + * Drops the /proc/@pid dcache entry from the hash chains. * - * Dropping /proc/<pid> entries and detach_pid must be synchroneous, - * otherwise e.g. /proc/<pid>/exe might point to the wrong executable, + * Dropping /proc/@pid entries and detach_pid must be synchroneous, + * otherwise e.g. /proc/@pid/exe might point to the wrong executable, * if the pid value is immediately reused. This is enforced by * - caller must acquire spin_lock(p->proc_lock) * - must be called before detach_pid() @@ -1739,8 +1741,8 @@ struct dentry *proc_pid_unhash(struct task_struct *p) } /** - * proc_pid_flush - recover memory used by stale /proc/<pid>/x entries - * @proc_entry: directoy to prune. + * proc_pid_flush - recover memory used by stale /proc/@pid/x entries + * @proc_dentry: directoy to prune. * * Shrink the /proc directory that was used by the just killed thread. */ @@ -1800,8 +1802,12 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; inode->i_op = &proc_tgid_base_inode_operations; inode->i_fop = &proc_tgid_base_operations; - inode->i_nlink = 3; inode->i_flags|=S_IMMUTABLE; +#ifdef CONFIG_SECURITY + inode->i_nlink = 5; +#else + inode->i_nlink = 4; +#endif dentry->d_op = &pid_base_dentry_operations; @@ -1855,8 +1861,12 @@ static struct dentry *proc_task_lookup(struct inode *dir, struct dentry * dentry inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; inode->i_op = &proc_tid_base_inode_operations; inode->i_fop = &proc_tid_base_operations; - inode->i_nlink = 3; inode->i_flags|=S_IMMUTABLE; +#ifdef CONFIG_SECURITY + inode->i_nlink = 4; +#else + inode->i_nlink = 3; +#endif dentry->d_op = &pid_base_dentry_operations; @@ -1935,7 +1945,8 @@ static int get_tid_list(int index, unsigned int *tids, struct inode *dir) if (--index >= 0) continue; - tids[nr_tids] = tid; + if (tids != NULL) + tids[nr_tids] = tid; nr_tids++; if (nr_tids >= PROC_MAXPIDS) break; @@ -2035,6 +2046,7 @@ static int proc_task_readdir(struct file * filp, void * dirent, filldir_t filldi } nr_tids = get_tid_list(pos, tid_array, inode); + inode->i_nlink = pos + nr_tids; for (i = 0; i < nr_tids; i++) { unsigned long j = PROC_NUMBUF; |