From 411fc6bcef54f828a5458f4730c68abdf13c6bf0 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Fri, 29 Oct 2010 15:14:31 -0400 Subject: Btrfs: Fix variables set but not read (bugs found by gcc 4.6) These are all the cases where a variable is set, but not read which are really bugs. - Couple of incorrect error handling fixed. - One incorrect use of a allocation policy - Some other things Still needs more review. Found by gcc 4.6's new warnings. [akpm@linux-foundation.org: fix build. Might have been bitrot] Signed-off-by: Andi Kleen Cc: Chris Mason Signed-off-by: Andrew Morton Signed-off-by: Chris Mason --- fs/btrfs/extent_io.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/btrfs/extent_io.c') diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 4c639e15629..7dc31c39ca5 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2779,6 +2779,8 @@ int extent_prepare_write(struct extent_io_tree *tree, NULL, 1, end_bio_extent_preparewrite, 0, 0, 0); + if (ret && !err) + err = ret; iocount++; block_start = block_start + iosize; } else { -- cgit v1.2.3-18-g5258