| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 89/93] dm era: Use correct value size in equality function of writeset tree | Date | Mon, 1 Mar 2021 17:13:41 +0100 |
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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(-)
--- a/drivers/md/dm-era-target.c +++ b/drivers/md/dm-era-target.c @@ -389,7 +389,7 @@ 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)); } /*----------------------------------------------------------------*/
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