diff options
| author | Colin Ian King <colin.king@canonical.com> | 2017-02-28 11:47:33 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-22 09:23:19 +0100 |
| commit | e6e7ba9d76af6ae8b223e7e8a68c2daaa3ffb789 (patch) | |
| tree | a6c72117f516cdeb2e5d5c9b27c2b1967911377f /drivers/staging/wilc1000 | |
| parent | c2e4c685b3c97bbf6210602cbe5791c468a31fdd (diff) | |
staging: wilc1000: add check for kmalloc allocation failure.
[ Upstream commit 6cc0c259d034c6ab48f4e12f505213988e73d380 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.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 dbbe72c7e255..f78353ddeea5 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -2179,6 +2179,8 @@ static s32 Handle_Get_InActiveTime(struct host_if_drv *hif_drv, wid.type = WID_STR; wid.size = ETH_ALEN; wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; stamac = wid.val; memcpy(stamac, strHostIfStaInactiveT->mac, ETH_ALEN); |