Re: [PATCH] staging: rtl8192u: remove redundant null check on array 'data'

From: Mukesh Ojha
Date: Thu Apr 04 2019 - 06:16:25 EST



On 4/4/2019 3:02 PM, Colin King wrote:
From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

The NULL check on ram->u.wpa_ie.data is redudant as data is
s/redudant/redundant
zero-length array and is not a pointer, so it can't be null.
Remove the check.

Addresses-Coverity: ("Array compared against 0")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

fix the commit text minor err

Reviewed-by: Mukesh Ojha <mojha@xxxxxxxxxxxxxx>

Cheers,
-Mukesh

---
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index 944c8894f9ff..c4a4f118f547 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -2659,8 +2659,7 @@ static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
{
u8 *buf;
- if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
- (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
+ if (param->u.wpa_ie.len > MAX_WPA_IE_LEN || param->u.wpa_ie.len)
return -EINVAL;
if (param->u.wpa_ie.len) {