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Report error when enabling IP forwarding
[platform/upstream/connman.git]
/
src
/
tethering.c
diff --git
a/src/tethering.c
b/src/tethering.c
index
04f3409
..
420a3ca
100644
(file)
--- a/
src/tethering.c
+++ b/
src/tethering.c
@@
-86,11
+86,15
@@
static int enable_ip_forward(connman_bool_t enable)
{
FILE *f;
- int ip_forward = enable ? 1 : 0;
f = fopen("/proc/sys/net/ipv4/ip_forward", "r+");
+ if (f == NULL)
+ return -errno;
- fprintf(f, "%d", ip_forward);
+ if (enable == TRUE)
+ fprintf(f, "1");
+ else
+ fprintf(f, "0");
fclose(f);