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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 17:23:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 17:23:28 -0700
commit98c89cdd3a292af3451e47a2a33132f5183861b0 (patch)
treecfad77bcfd2d04fb0b9326a859803a1ab90b0757 /fs/proc/inode.c
parent164d44fd92e79d5bce54d0d62df9f856f7b23925 (diff)
parent99df95a22f7cfcf85405d4edc07c2d953542f0dd (diff)
Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
* 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: sunrpc: Include missing smp_lock.h procfs: Kill the bkl in ioctl procfs: Push down the bkl from ioctl procfs: Use generic_file_llseek in /proc/vmcore procfs: Use generic_file_llseek in /proc/kmsg procfs: Use generic_file_llseek in /proc/kcore procfs: Kill BKL in llseek on proc base
Diffstat (limited to 'fs/proc/inode.c')
-rw-r--r--fs/proc/inode.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index d35b23238fb1..aea8502e58a3 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -232,9 +232,9 @@ static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigne
if (rv == -ENOIOCTLCMD)
rv = -EINVAL;
} else if (ioctl) {
- lock_kernel();
+ WARN_ONCE(1, "Procfs ioctl handlers must use unlocked_ioctl, "
+ "%pf will be called without the Bkl held\n", ioctl);
rv = ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
- unlock_kernel();
}
pde_users_dec(pde);