On 2017.05.10 at 11:24 +1000, Stephen Rothwell wrote: > Hi Jens, > > After merging the block tree, today's linux-next build (arm > multi_v7_defconfig) produced this warning: > > block/elevator.c: In function 'elv_iosched_store': > block/elevator.c:1102:2: warning: ignoring return value of 'strstrip', declared with attribute warn_unused_result [-Wunused-result] > strstrip(elevator_name); > ^ > > Introduced by commit > > d0f6e2da5871 ("block: Remove leading whitespace and trailing newline in elevator switch error message") Yes, it was missing a (void) like "(void)strlcpy(...)". But Jens unfortunately removed both warnings, so the following patch should now be enough: diff --git a/block/elevator.c b/block/elevator.c index fda6be933130..dd0ed19e4fb7 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -1099,8 +1099,7 @@ ssize_t elv_iosched_store(struct request_queue *q, const char *name, return count; strlcpy(elevator_name, skip_spaces(name), sizeof(elevator_name)); - strstrip(elevator_name); - ret = __elevator_change(q, elevator_name); + ret = __elevator_change(q, strstrip(elevator_name)); if (!ret) return count; -- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html