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| author | Colin Ian King <colin.king@canonical.com> | 2017-02-28 11:47:33 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-06 09:17:08 +0100 |
| commit | 6cc0c259d034c6ab48f4e12f505213988e73d380 (patch) | |
| tree | a9b8e119686192eb3ea06d70f3cfca2c66bf1be6 /drivers/staging/wilc1000 | |
| parent | 2af5f669be1446a7db56c699265bc9e4cda92577 (diff) | |
| download | linux-6cc0c259d034c6ab48f4e12f505213988e73d380.tar.bz2 | |
staging: wilc1000: add check for kmalloc allocation failure.
Add a sanity check that wid.val has been allocated, fixes a null
pointer deference on stamac when calling ether_add_copy.
Detected by CoverityScan, CID#1369537 ("Dereference null return value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wilc1000')
| -rw-r--r-- | drivers/staging/wilc1000/host_interface.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index c2a3424c35cb..f848bb85ff1f 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -1928,6 +1928,8 @@ static s32 Handle_Get_InActiveTime(struct wilc_vif *vif, wid.type = WID_STR; wid.size = ETH_ALEN; wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; stamac = wid.val; ether_addr_copy(stamac, strHostIfStaInactiveT->mac); |