File 0128-btrfs-progs-fix-regexec-to-only-work-if-we... of Package btrfsprogs

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File 0128-btrfs-progs-fix-regexec-to-only-work-if-we-actually-.patch of Package btrfsprogs

From 1b8b3c3579ee127b174a850213df7ad81edd5710 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Fri, 2 Dec 2011 12:52:15 -0500
Subject: [PATCH 29/35] btrfs-progs: fix regexec to only work if we actually
 have a regexec

We were unconditionally executing our regular expression, even though we may not
have one, so check to make sure mreg is not null before calling regexec.
Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 restore.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/restore.c b/restore.c
index 6433378..a4ccb18 100644
--- a/restore.c
+++ b/restore.c
@@ -638,7 +638,7 @@ static int search_dir(struct btrfs_root *root, struct btrfs_key *key,
 		/* full path from root of btrfs being restored */
 		snprintf(fs_name, 4096, "%s/%s", dir, filename);
 
-		if (REG_NOMATCH == regexec(mreg, fs_name, 0, NULL, 0))
+		if (mreg && REG_NOMATCH == regexec(mreg, fs_name, 0, NULL, 0))
 			goto next;
 
 		/* full path from system root */
-- 
1.7.6.233.gd79bc

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