diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2012-08-19 19:36:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-04 12:48:00 -0700 |
| commit | 07732be2efa7d4ade66d224ea84d2c30740d0b77 (patch) | |
| tree | 4ad5a8451c1fca878b0684ef081f2d3bf8fdc1db /drivers/staging/ozwpan | |
| parent | 01f8a27e3c9109c0187f473e593fa7b45cdb65e8 (diff) | |
staging: ozwpan: fix memcmp() test in oz_set_active_pd()
"addr" is a pointer so it's either 4 or 8 bytes, but actually we want
to compare 6 bytes (ETH_ALEN).
As network stack already provides helper function
is_zero_ether_addr() we use that instead of memcmp
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rupesh Gujare <rgujare@ozmodevices.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ozwpan')
| -rw-r--r-- | drivers/staging/ozwpan/ozcdev.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c index d98321945802..758ce0a8d82e 100644 --- a/drivers/staging/ozwpan/ozcdev.c +++ b/drivers/staging/ozwpan/ozcdev.c @@ -8,6 +8,7 @@ #include <linux/cdev.h> #include <linux/uaccess.h> #include <linux/netdevice.h> +#include <linux/etherdevice.h> #include <linux/poll.h> #include <linux/sched.h> #include "ozconfig.h" @@ -213,7 +214,7 @@ static int oz_set_active_pd(u8 *addr) if (old_pd) oz_pd_put(old_pd); } else { - if (!memcmp(addr, "\0\0\0\0\0\0", sizeof(addr))) { + if (is_zero_ether_addr(addr)) { spin_lock_bh(&g_cdev.lock); pd = g_cdev.active_pd; g_cdev.active_pd = 0; |