brctl: fix parsing of timespec to allow 0 (setfd, sethello..)

Signed-off-by: Maciek Borzecki <maciek.borzecki@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/networking/brctl.c b/networking/brctl.c
index 57074cd73..77bb8f155 100644
--- a/networking/brctl.c
+++ b/networking/brctl.c
@@ -48,8 +48,9 @@ static ALWAYS_INLINE void strtotimeval(struct timeval *tv,
 {
         double secs;
 #if BRCTL_USE_INTERNAL
-        secs = /*bb_*/strtod(time_str, NULL);
-        if (!secs)
+        char *endptr;
+        secs = /*bb_*/strtod(time_str, &endptr);
+        if (endptr == time_str)
 #else
         if (sscanf(time_str, "%lf", &secs) != 1)
 #endif