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Message-id: <1451474324-15481-3-git-send-email-a.hajda@samsung.com> Date: Wed, 30 Dec 2015 12:18:44 +0100 From: Andrzej Hajda <a.hajda@...sung.com> To: "James E.J. Bottomley" <JBottomley@...n.com>, "Martin K. Petersen" <martin.petersen@...cle.com> Cc: Andrzej Hajda <a.hajda@...sung.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, Marek Szyprowski <m.szyprowski@...sung.com>, linux-scsi@...r.kernel.org (open list:SCSI SUBSYSTEM), linux-kernel@...r.kernel.org (open list) Subject: [PATCH] scsi_transport_fc: remove useless check simple_strtoul returns only non-negative values and *val is unsigned so there is no possibility that *val is lesser than 0. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda <a.hajda@...sung.com> --- drivers/scsi/scsi_transport_fc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 8a88226..ecf62d9 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -849,7 +849,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val) char *cp; *val = simple_strtoul(buf, &cp, 0); - if ((*cp && (*cp != '\n')) || (*val < 0)) + if (*cp && (*cp != '\n')) return -EINVAL; /* * Check for overflow; dev_loss_tmo is u32 -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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