From: Hariprasad Kelam <hariprasad.kelam@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Hariprasad Kelam <hariprasad.kelam@gmail.com>,
Hardik Singh Rathore <hardiksingh.k@gmail.com>,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH] staging: rtl8723bs: core: rtw_recv: fix warning Comparison to NULL
Date: Wed, 15 May 2019 23:15:36 +0530 [thread overview]
Message-ID: <20190515174536.GA4965@hari-Inspiron-1545> (raw)
fix below warning reported by checkpatch
CHECK: Comparison to NULL could be written
"!precvpriv->pallocated_frame_buf"
CHECK: Comparison to NULL could be written "padapter"
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
drivers/staging/rtl8723bs/core/rtw_recv.c | 48 +++++++++++++++----------------
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_recv.c b/drivers/staging/rtl8723bs/core/rtw_recv.c
index b543e97..b01dae5 100644
--- a/drivers/staging/rtl8723bs/core/rtw_recv.c
+++ b/drivers/staging/rtl8723bs/core/rtw_recv.c
@@ -50,7 +50,7 @@ sint _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter)
precvpriv->pallocated_frame_buf = vzalloc(NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
- if (precvpriv->pallocated_frame_buf == NULL) {
+ if (!precvpriv->pallocated_frame_buf) {
res = _FAIL;
goto exit;
}
@@ -122,7 +122,7 @@ union recv_frame *_rtw_alloc_recvframe(struct __queue *pfree_recv_queue)
list_del_init(&precvframe->u.hdr.list);
padapter = precvframe->u.hdr.adapter;
- if (padapter != NULL) {
+ if (padapter) {
precvpriv = &padapter->recvpriv;
if (pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt--;
@@ -160,7 +160,7 @@ int rtw_free_recvframe(union recv_frame *precvframe, struct __queue *pfree_recv_
list_add_tail(&(precvframe->u.hdr.list), get_list_head(pfree_recv_queue));
- if (padapter != NULL) {
+ if (padapter) {
if (pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt++;
}
@@ -183,7 +183,7 @@ sint _rtw_enqueue_recvframe(union recv_frame *precvframe, struct __queue *queue)
list_add_tail(&(precvframe->u.hdr.list), get_list_head(queue));
- if (padapter != NULL)
+ if (padapter)
if (queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt++;
@@ -334,7 +334,7 @@ sint recvframe_chkmic(struct adapter *adapter, union recv_frame *precvframe)
prxattrib->ra[0], prxattrib->ra[1], prxattrib->ra[2], prxattrib->ra[3], prxattrib->ra[4], prxattrib->ra[5]));
/* calculate mic code */
- if (stainfo != NULL) {
+ if (stainfo) {
if (IS_MCAST(prxattrib->ra)) {
/* mickey =&psecuritypriv->dot118021XGrprxmickey.skey[0]; */
/* iv = precvframe->u.hdr.rx_data+prxattrib->hdrlen; */
@@ -570,7 +570,7 @@ union recv_frame *portctrl(struct adapter *adapter, union recv_frame *precv_fram
RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("########portctrl:adapter->securitypriv.dot11AuthAlgrthm =%d\n", adapter->securitypriv.dot11AuthAlgrthm));
if (auth_alg == 2) {
- if ((psta != NULL) && (psta->ieee8021x_blocked)) {
+ if ((psta) && (psta->ieee8021x_blocked)) {
__be16 be_tmp;
/* blocked */
@@ -859,7 +859,7 @@ sint sta2sta_data_frame(
else
*psta = rtw_get_stainfo(pstapriv, sta_addr); /* get ap_info */
- if (*psta == NULL) {
+ if (!*psta) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under sta2sta_data_frame ; drop pkt\n"));
ret = _FAIL;
goto exit;
@@ -942,7 +942,7 @@ sint ap2sta_data_frame(
else
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get ap_info */
- if (*psta == NULL) {
+ if (!*psta) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("ap2sta: can't get psta under STATION_MODE ; drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s can't get psta under STATION_MODE ; drop pkt\n", __func__);
@@ -974,7 +974,7 @@ sint ap2sta_data_frame(
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get sta_info */
- if (*psta == NULL) {
+ if (!*psta) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under MP_MODE ; drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s can't get psta under WIFI_MP_STATE ; drop pkt\n", __func__);
@@ -991,7 +991,7 @@ sint ap2sta_data_frame(
} else {
if (!memcmp(myhwaddr, pattrib->dst, ETH_ALEN) && (!bmcast)) {
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get sta_info */
- if (*psta == NULL) {
+ if (!*psta) {
/* for AP multicast issue , modify by yiwei */
static unsigned long send_issue_deauth_time;
@@ -1042,7 +1042,7 @@ sint sta2ap_data_frame(
}
*psta = rtw_get_stainfo(pstapriv, pattrib->src);
- if (*psta == NULL) {
+ if (!*psta == NULL) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under AP_MODE; drop pkt\n"));
DBG_871X("issue_deauth to sta =" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->src));
@@ -1099,7 +1099,7 @@ sint validate_recv_ctrl_frame(struct adapter *padapter, union recv_frame *precv_
return _FAIL;
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
- if (psta == NULL)
+ if (!psta)
return _FAIL;
/* for rx pkt statistics */
@@ -1226,7 +1226,7 @@ sint validate_recv_mgnt_frame(struct adapter *padapter, union recv_frame *precv_
RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("+validate_recv_mgnt_frame\n"));
precv_frame = recvframe_chk_defrag(padapter, precv_frame);
- if (precv_frame == NULL) {
+ if (!precv_frame) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("%s: fragment packet\n", __func__));
return _SUCCESS;
}
@@ -1274,7 +1274,7 @@ sint validate_recv_data_frame(struct adapter *adapter, union recv_frame *precv_f
psa = get_sa(ptr);
pbssid = get_hdr_bssid(ptr);
- if (pbssid == NULL) {
+ if (!pbssid) {
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s pbssid == NULL\n", __func__);
#endif
@@ -1329,7 +1329,7 @@ sint validate_recv_data_frame(struct adapter *adapter, union recv_frame *precv_f
}
- if (psta == NULL) {
+ if (!psta) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, (" after to_fr_ds_chk; psta == NULL\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s psta == NULL\n", __func__);
@@ -1426,7 +1426,7 @@ static sint validate_80211w_mgmt(struct adapter *adapter, union recv_frame *prec
/* actual management data frame body */
data_len = pattrib->pkt_len - pattrib->hdrlen - pattrib->iv_len - pattrib->icv_len;
mgmt_DATA = rtw_zmalloc(data_len);
- if (mgmt_DATA == NULL) {
+ if (!mgmt_DATA) {
DBG_871X("%s mgmt allocate fail !!!!!!!!!\n", __func__);
goto validate_80211w_fail;
}
@@ -1812,7 +1812,7 @@ union recv_frame *recvframe_chk_defrag(struct adapter *padapter, union recv_fram
psta_addr = pfhdr->attrib.ta;
psta = rtw_get_stainfo(pstapriv, psta_addr);
- if (psta == NULL) {
+ if (!psta) {
u8 type = GetFrameType(pfhdr->rx_data);
if (type != WIFI_DATA_TYPE) {
psta = rtw_get_bcmc_stainfo(padapter);
@@ -1828,7 +1828,7 @@ union recv_frame *recvframe_chk_defrag(struct adapter *padapter, union recv_fram
if (ismfrag == 1) {
/* 0~(n-1) fragment frame */
/* enqueue to defraf_g */
- if (pdefrag_q != NULL) {
+ if (pdefrag_q) {
if (fragnum == 0)
/* the first fragment */
if (!list_empty(&pdefrag_q->queue))
@@ -1859,7 +1859,7 @@ union recv_frame *recvframe_chk_defrag(struct adapter *padapter, union recv_fram
if ((ismfrag == 0) && (fragnum != 0)) {
/* the last fragment frame */
/* enqueue the last fragment */
- if (pdefrag_q != NULL) {
+ if (pdefrag_q) {
/* spin_lock(&pdefrag_q->lock); */
phead = get_list_head(pdefrag_q);
list_add_tail(&pfhdr->list, phead);
@@ -1880,7 +1880,7 @@ union recv_frame *recvframe_chk_defrag(struct adapter *padapter, union recv_fram
}
- if ((prtnframe != NULL) && (prtnframe->u.hdr.attrib.privacy)) {
+ if ((prtnframe) && (prtnframe->u.hdr.attrib.privacy)) {
/* after defrag we must check tkip mic code */
if (recvframe_chkmic(padapter, prtnframe) == _FAIL) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("recvframe_chkmic(padapter, prtnframe) == _FAIL\n"));
@@ -1924,7 +1924,7 @@ static int amsdu_to_msdu(struct adapter *padapter, union recv_frame *prframe)
}
sub_pkt = rtw_os_alloc_msdu_pkt(prframe, nSubframe_Length, pdata);
- if (sub_pkt == NULL) {
+ if (!sub_pkt) {
DBG_871X("%s(): allocate sub packet fail !!!\n", __func__);
break;
}
@@ -2453,7 +2453,7 @@ static int recv_func_posthandle(struct adapter *padapter, union recv_frame *prfr
DBG_COUNTER(padapter->rx_logs.core_rx_post);
prframe = decryptor(padapter, prframe);
- if (prframe == NULL) {
+ if (!prframe) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("decryptor: drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s decryptor: drop pkt\n", __func__);
@@ -2464,7 +2464,7 @@ static int recv_func_posthandle(struct adapter *padapter, union recv_frame *prfr
}
prframe = recvframe_chk_defrag(padapter, prframe);
- if (prframe == NULL) {
+ if (!prframe) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("recvframe_chk_defrag: drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s recvframe_chk_defrag: drop pkt\n", __func__);
@@ -2474,7 +2474,7 @@ static int recv_func_posthandle(struct adapter *padapter, union recv_frame *prfr
}
prframe = portctrl(padapter, prframe);
- if (prframe == NULL) {
+ if (!prframe) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("portctrl: drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s portctrl: drop pkt\n", __func__);
--
2.7.4
next reply other threads:[~2019-05-15 17:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 17:45 Hariprasad Kelam [this message]
2019-05-16 8:00 ` [PATCH] staging: rtl8723bs: core: rtw_recv: fix warning Comparison to NULL Dan Carpenter
2019-05-16 18:25 ` Hariprasad Kelam
2019-05-16 18:58 ` Joe Perches
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190515174536.GA4965@hari-Inspiron-1545 \
--to=hariprasad.kelam@gmail.com \
--cc=devel@driverdev.osuosl.org \
--cc=gregkh@linuxfoundation.org \
--cc=hardiksingh.k@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.