lib/vsprintf.c: fix bug omitting minus sign of numbers (module_param)

lib/vsprintf.c: Fix bug omitting minus sign of numbers (module_param)

Signed-off-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Cc: Yi Yang <yi.y.yang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index fd987b1..6021757 100644 (file)
--- 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);               \