Re: [PATCH 04/19] Convert a strncmp() call into a strcmp() call

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On 08/23/2017 11:39 PM, Bart Van Assche wrote:
> This patch avoids that smatch reports the following warning:
> 
> drivers/scsi/scsi_sysfs.c:117: check_set() error: strncmp() '"-"' too small (2 vs 20)
> 
> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxx>
> Cc: Johannes Thumshirn <jthumshirn@xxxxxxx>
> ---
>  drivers/scsi/scsi_sysfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
> index 41891db20108..5ed473a87589 100644
> --- a/drivers/scsi/scsi_sysfs.c
> +++ b/drivers/scsi/scsi_sysfs.c
> @@ -114,7 +114,7 @@ static int check_set(unsigned long long *val, char *src)
>  {
>  	char *last;
>  
> -	if (strncmp(src, "-", 20) == 0) {
> +	if (strcmp(src, "-") == 0) {
>  		*val = SCAN_WILD_CARD;
>  	} else {
>  		/*
> 
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@xxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)



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