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dm-cache: remove pointless error check

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Smatch reported following:
'''
drivers/md/dm-cache-target.c:3204 parse_cblock_range() warn: sscanf doesn't return error codes
drivers/md/dm-cache-target.c:3217 parse_cblock_range() warn: sscanf doesn't return error codes
'''

Sscanf doesn't return negative values at all.

Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
This commit is contained in:
Dipendra Khadka 2024-09-22 16:47:01 +00:00 committed by Mikulas Patocka
parent 66cac80698
commit 4feb014bc7
1 changed files with 0 additions and 4 deletions
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4
drivers/md/dm-cache-target.c
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@ -3200,8 +3200,6 @@ static int parse_cblock_range(struct cache *cache, const char *str,
* Try and parse form (ii) first.
*/
r = sscanf(str, "%llu-%llu%c", &b, &e, &dummy);
if (r < 0)
return r;
if (r == 2) {
result->begin = to_cblock(b);
@ -3213,8 +3211,6 @@ static int parse_cblock_range(struct cache *cache, const char *str,
* That didn't work, try form (i).
*/
r = sscanf(str, "%llu%c", &b, &dummy);
if (r < 0)
return r;
if (r == 1) {
result->begin = to_cblock(b);