[PATCH 1/2] Fix mnt_count typo

[john stultz <johnstul@xxxxxxxxxx>]

Clark noticed the following snippit in commit
070976b5b038218900648ea4cc88786d5dfcd58d :

        if (mnt->mnt_pinned) {
-               inc_mnt_count(mnt);
+               preempt_disable();
+               dec_mnt_count(mnt);
+               preempt_enable();
                mnt->mnt_pinned--;
        }
        vfsmount_write_unlock();


I accidentally replaced an inc_mnt_count() with a dec_mnt_count().

The issue went unnoticed, as the only user of mnt_unpin in the acct
syscall.

This patch corrects the mistake.

Signed-off-by: John Stultz <johnstul@xxxxxxxxxx>

diff --git a/fs/namespace.c b/fs/namespace.c
index 35c56c2..ed4a3ea 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -825,7 +825,7 @@ void mnt_unpin(struct vfsmount *mnt)
 	vfsmount_write_lock();
 	if (mnt->mnt_pinned) {
 		preempt_disable();
-		dec_mnt_count(mnt);
+		inc_mnt_count(mnt);
 		preempt_enable();
 		mnt->mnt_pinned--;
 	}


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