diff options
| author | Xiaoke Wang <xkernel.wang@foxmail.com> | 2022-03-30 19:30:05 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-04 07:33:48 +0200 |
| commit | 9fcee167d81c4121b620b0a885f766007a41e841 (patch) | |
| tree | 909cce304695697aa05f10e80a3c43d09e4d51e1 | |
| parent | f6ca689d12dfcd8cf917de018391ae84d8a084f4 (diff) | |
| download | linux-9fcee167d81c4121b620b0a885f766007a41e841.tar.bz2 | |
staging: r8188eu: add a check for rtw_cbuf_alloc()
kmalloc() is called by rtw_cbuf_alloc() and it returns pointer of
srtuct rtw_cbuf, NULL for allocation failure. So it is better to check
the return value of it.
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_D95ACC78B93B1CDD14C4E13E4A66FF892008@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/r8188eu/core/rtw_cmd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_cmd.c b/drivers/staging/r8188eu/core/rtw_cmd.c index ccc43c0ba433..859ec8d8ad9e 100644 --- a/drivers/staging/r8188eu/core/rtw_cmd.c +++ b/drivers/staging/r8188eu/core/rtw_cmd.c @@ -69,6 +69,8 @@ static int _rtw_init_evt_priv(struct evt_priv *pevtpriv) INIT_WORK(&pevtpriv->c2h_wk, c2h_wk_callback); pevtpriv->c2h_wk_alive = false; pevtpriv->c2h_queue = rtw_cbuf_alloc(C2H_QUEUE_MAX_LEN + 1); + if (!pevtpriv->c2h_queue) + res = _FAIL; return res; } |