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| author | Leo Kim | 2015-12-21 06:18:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2015-12-21 22:20:04 +0100 |
| commit | 653bb46301617e39e720e60fa2e0a01f946c9a6e (patch) | |
| tree | c26508ac7f628311c7ce5b8569a22b5f288557a8 /drivers/staging/wilc1000/host_interface.c | |
| parent | staging: wilc1000: replace explicit NULL comparisons with ! (diff) | |
| download | kernel-qcow2-linux-653bb46301617e39e720e60fa2e0a01f946c9a6e.tar.gz kernel-qcow2-linux-653bb46301617e39e720e60fa2e0a01f946c9a6e.tar.xz kernel-qcow2-linux-653bb46301617e39e720e60fa2e0a01f946c9a6e.zip | |
staging: wilc1000: fixes potential null dereference 'wid.val'
This patch fixes the error reported by smatch.
- Handle_ListenStateExpired() error: potential null dereference 'wid.val'
If kmalloc failed, referenced to a NULL pointer.
Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wilc1000/host_interface.c')
| -rw-r--r-- | drivers/staging/wilc1000/host_interface.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index d1707f6f0dcc..2289ba344300 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -2635,8 +2635,10 @@ static u32 Handle_ListenStateExpired(struct host_if_drv *hif_drv, wid.size = 2; wid.val = kmalloc(wid.size, GFP_KERNEL); - if (!wid.val) + if (!wid.val) { PRINT_ER("Failed to allocate memory\n"); + return -ENOMEM; + } wid.val[0] = u8remain_on_chan_flag; wid.val[1] = FALSE_FRMWR_CHANNEL; |