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staging: rtl8723au: rtw_cfg80211_inform_bss() fix Smatch warning 

Check the size of pnetwork->network.IELenght correctly to avoid Smatch
warning.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jes Sorensen 2014-04-26 18:54:55 +02:00 committed by Greg Kroah-Hartman
parent fbde412917
commit f844717c6a
1 changed files with 3 additions and 5 deletions
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8
drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
View File

@ -260,7 +260,7 @@ static int rtw_cfg80211_inform_bss(struct rtw_adapter *padapter,
size_t notify_ielen;
s32 notify_signal;
u8 buf[MAX_BSSINFO_LEN], *pbuf;
size_t len, bssinf_len = 0;
size_t len;
struct ieee80211_hdr *pwlanhdr;
unsigned short *fctrl;
@ -270,11 +270,9 @@ static int rtw_cfg80211_inform_bss(struct rtw_adapter *padapter,
/* DBG_8723A("%s\n", __func__); */
bssinf_len =
pnetwork->network.IELength + sizeof(struct ieee80211_hdr_3addr);
if (bssinf_len > MAX_BSSINFO_LEN) {
if (pnetwork->network.IELength > MAX_IE_SZ) {
DBG_8723A("%s IE Length too long > %d byte\n", __func__,
MAX_BSSINFO_LEN);
MAX_IE_SZ);
goto exit;
}