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Re: linux-next: build warning after merge of the block tree

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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

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linux-next: build warning after merge of the block tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-05-10 03:30 +0200
  Re: linux-next: build warning after merge of the block tree Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-05-10 04:30 +0200
    Re: linux-next: build warning after merge of the block tree Jens Axboe <axboe@kernel.dk> - 2017-05-10 05:10 +0200
      Re: linux-next: build warning after merge of the block tree Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-05-10 08:20 +0200
    Re: linux-next: build warning after merge of the block tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-05-10 05:30 +0200

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