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>

diff --git a/networking/brctl.c b/networking/brctl.c
index 57074cd738b8a1e81a303daced06ef2f6ff6e8b5..77bb8f155b0095a6246767135cd14d05213e1ad2 100644 (file)
--- 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