diff mbox series

[4.19,236/247] dm era: Use correct value size in equality function of writeset tree

Message ID 20210301161043.256433369@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman March 1, 2021, 4:14 p.m. UTC 
From: Nikos Tsironis <ntsironis@arrikto.com>

commit 64f2d15afe7b336aafebdcd14cc835ecf856df4b upstream.

Fix the writeset tree equality test function to use the right value size
when comparing two btree values.

Fixes: eec40579d84873 ("dm: add era target")
Cc: stable@vger.kernel.org # v3.15+
Signed-off-by: Nikos Tsironis <ntsironis@arrikto.com>
Reviewed-by: Ming-Hung Tsai <mtsai@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/md/dm-era-target.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/md/dm-era-target.c
+++ b/drivers/md/dm-era-target.c
@@ -388,7 +388,7 @@  static void ws_dec(void *context, const
 
 static int ws_eq(void *context, const void *value1, const void *value2)
 {
-	return !memcmp(value1, value2, sizeof(struct writeset_metadata));
+	return !memcmp(value1, value2, sizeof(struct writeset_disk));
 }
 
 /*----------------------------------------------------------------*/