btrfs-progs: remove unnecessary errno temp variables

We can read errno directly if it's not clobbered by any intermediate
calls.

Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/btrfs-image.c b/btrfs-image.c
index bb1f6351..c7fa18fb 100644
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -2822,9 +2822,8 @@ int main(int argc, char *argv[])
 					  OPEN_CTREE_PARTIAL |
 					  OPEN_CTREE_RESTORE);
 		if (!info) {
-			int e = errno;
 			fprintf(stderr, "unable to open %s error = %s\n",
-				target, strerror(e));
+				target, strerror(errno));
 			return 1;
 		}