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Make sure the resutl from readlink is properly null terminated
author
Jouni Malinen
<j@w1.fi>
Sat, 16 Jan 2010 15:19:06 +0000
(17:19 +0200)
committer
Jouni Malinen
<j@w1.fi>
Sat, 16 Jan 2010 15:19:06 +0000
(17:19 +0200)
src/drivers/linux_ioctl.c
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diff --git
a/src/drivers/linux_ioctl.c
b/src/drivers/linux_ioctl.c
index
f806167
..
0d6cf54
100644
(file)
--- a/
src/drivers/linux_ioctl.c
+++ b/
src/drivers/linux_ioctl.c
@@
-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)