[PATCH] proc: Remove useless BKL in proc_pid_readlink

We already call everything except do_proc_readlink outside of the BKL in
proc_pid_followlink, and there appears to be nothing in do_proc_readlink that
needs any special protection.

So remove this leftover from one of the BKL cleanup efforts.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 13e3ab9..7169a71 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1167,7 +1167,6 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b
        struct dentry *de;
        struct vfsmount *mnt = NULL;
 
-       lock_kernel();
 
        if (current->fsuid != inode->i_uid && !capable(CAP_DAC_OVERRIDE))
                goto out;
@@ -1183,7 +1182,6 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b
        dput(de);
        mntput(mnt);
 out:
-       unlock_kernel();
        return error;
 }