From: Jeff Layton <jeff.layton@primarydata.com>
Date: Sat, 14 Mar 2015 13:45:35 +0000 (-0400)
Subject: locks: fix generic_delete_lease tracepoint to use victim pointer
X-Git-Tag: v4.14-rc1~5776^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a9b1b455c519ee2fd6a4f9c069511e67b5be1ac4;p=platform%2Fkernel%2Flinux-rpi.git

locks: fix generic_delete_lease tracepoint to use victim pointer

It's possible that "fl" won't point at a valid lock at this point, so
use "victim" instead which is either a valid lock or NULL.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
---

diff --git a/fs/locks.c b/fs/locks.c
index f1bad68..528fedf 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1728,7 +1728,7 @@ static int generic_delete_lease(struct file *filp, void *owner)
 			break;
 		}
 	}
-	trace_generic_delete_lease(inode, fl);
+	trace_generic_delete_lease(inode, victim);
 	if (victim)
 		error = fl->fl_lmops->lm_change(victim, F_UNLCK, &dispose);
 	spin_unlock(&ctx->flc_lock);