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Make sure the resutl from readlink is properly null terminated

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This commit is contained in:
Jouni Malinen 2010-01-16 17:19:06 +02:00
parent 7899e2f42d
commit de1b2d143a
1 changed files with 2 additions and 1 deletions
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3
src/drivers/linux_ioctl.c
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@ -186,7 +186,8 @@ int linux_br_get(char *brname, const char *ifname)
char path[128], brlink[128], *pos;
os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/bridge",
ifname);
if (readlink(path, brlink, sizeof(brlink)) < 0)
os_memset(brlink, 0, sizeof(brlink));
if (readlink(path, brlink, sizeof(brlink) - 1) < 0)
return -1;
pos = os_strrchr(brlink, '/');
if (pos == NULL)