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-rw-r--r--lib/vsprintf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index fd987b17bda7..6021757a4496 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -234,7 +234,7 @@ int strict_strto##type(const char *cp, unsigned int base, valtype *res)	\
 	int ret;							\
 	if (*cp == '-') {						\
 		ret = strict_strtou##type(cp+1, base, res);		\
-		if (ret != 0)						\
+		if (!ret)						\
 			*res = -(*res);					\
 	} else								\
 		ret = strict_strtou##type(cp, base, res);		\