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Date: Mon, 13 Jul 2015 23:17:57 -0400 From: green@...uxhacker.ru To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, devel@...verdev.osuosl.org, Andreas Dilger <andreas.dilger@...el.com> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Oleg Drokin <green@...uxhacker.ru> Subject: [PATCH 4/4] staging/lustre/libcfs: Fix kstrtouint return value check fix From: Oleg Drokin <green@...uxhacker.ru> Apparently kstrtouint could return not just -EINVAL, but also -ERANGE, so make sure we just check the return value for something negative. Noticed by Dan Carpenter <dan.carpenter@...cle.com> Signed-off-by: Oleg Drokin <green@...uxhacker.ru> --- drivers/staging/lustre/lustre/libcfs/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/lustre/lustre/libcfs/debug.c b/drivers/staging/lustre/lustre/libcfs/debug.c index 6346887..e93f556 100644 --- a/drivers/staging/lustre/lustre/libcfs/debug.c +++ b/drivers/staging/lustre/lustre/libcfs/debug.c @@ -185,7 +185,7 @@ static int param_set_uint_minmax(const char *val, if (!val) return -EINVAL; ret = kstrtouint(val, 0, &num); - if (ret == -EINVAL || num < min || num > max) + if (ret < 0 || num < min || num > max) return -EINVAL; *((unsigned int *)kp->arg) = num; return 0; -- 2.1.0 -- 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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