From: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
To: gregkh@linuxfoundation.org
Cc: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>,
dan.carpenter@oracle.com, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v3 03/33] staging: rtl8192e: Mark unaligned memcpy()
Date: Sat, 9 May 2015 23:18:51 +0200 [thread overview]
Message-ID: <1431206361-13736-4-git-send-email-mateusz.kulikowski@gmail.com> (raw)
In-Reply-To: <1431206361-13736-1-git-send-email-mateusz.kulikowski@gmail.com>
Comment unaligned memcpy() that trigger PREFER_ETHER_ADDR_COPY
checkpatch.pl warning.
It will prevent accidential "Fix" to ether_addr_copy().
Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
---
drivers/staging/rtl8192e/rtllib_rx.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index ebb328d..65e4d13 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -488,15 +488,19 @@ void rtllib_indicate_packets(struct rtllib_device *ieee, struct rtllib_rxb **prx
* and replace EtherType
*/
skb_pull(sub_skb, SNAP_SIZE);
- memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN);
- memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN);
+ memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src,
+ ETH_ALEN); /* Must be unaligned */
+ memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst,
+ ETH_ALEN); /* Must be unaligned */
} else {
u16 len;
/* Leave Ethernet header part of hdr and full payload */
len = sub_skb->len;
memcpy(skb_push(sub_skb, 2), &len, 2);
- memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN);
- memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN);
+ memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src,
+ ETH_ALEN); /* Must be unaligned */
+ memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst,
+ ETH_ALEN); /* Must be unaligned */
}
/* Indicate the packets to upper layer */
@@ -781,15 +785,15 @@ static u8 parse_subframe(struct rtllib_device *ieee, struct sk_buff *skb,
rxb->subframes[0] = sub_skb;
- memcpy(rxb->src, src, ETH_ALEN);
- memcpy(rxb->dst, dst, ETH_ALEN);
+ memcpy(rxb->src, src, ETH_ALEN); /* Must stay unaligned */
+ memcpy(rxb->dst, dst, ETH_ALEN); /* Must stay unaligned */
rxb->subframes[0]->dev = ieee->dev;
return 1;
}
rxb->nr_subframes = 0;
- memcpy(rxb->src, src, ETH_ALEN);
- memcpy(rxb->dst, dst, ETH_ALEN);
+ memcpy(rxb->src, src, ETH_ALEN); /* Must stay unaligned */
+ memcpy(rxb->dst, dst, ETH_ALEN); /* Must stay unaligned */
while (skb->len > ETHERNET_HEADER_SIZE) {
/* Offset 12 denote 2 mac address */
nSubframe_Length = *((u16 *)(skb->data + 12));
--
1.8.4.1
next prev parent reply other threads:[~2015-05-09 21:19 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-09 21:18 [PATCH v3 00/33] staging: rtl8192e: Fix more checkpatch.pl warnings Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 01/33] staging: rtl8192e: Declare ethernet addresses as __aligned(2) Mateusz Kulikowski
2015-05-09 22:29 ` Joe Perches
2015-05-12 19:44 ` Mateusz Kulikowski
2015-05-12 19:53 ` Joe Perches
2015-05-09 21:18 ` [PATCH v3 02/33] staging: rtl8192e: Fix PREFER_ETHER_ADDR_COPY warnings Mateusz Kulikowski
2015-05-10 13:19 ` Greg KH
2015-05-12 19:52 ` Mateusz Kulikowski
2015-05-12 21:19 ` Greg KH
2015-05-14 20:22 ` Mateusz Kulikowski
2015-05-09 21:18 ` Mateusz Kulikowski [this message]
2015-05-10 13:20 ` [PATCH v3 03/33] staging: rtl8192e: Mark unaligned memcpy() Greg KH
2015-05-12 20:05 ` Mateusz Kulikowski
2015-05-11 8:26 ` Dan Carpenter
2015-05-12 20:00 ` Mateusz Kulikowski
2015-05-13 8:22 ` Dan Carpenter
2015-05-14 20:29 ` Mateusz Kulikowski
2015-05-14 23:14 ` Dan Carpenter
2015-05-17 20:38 ` Mateusz Kulikowski
2015-05-18 9:09 ` Dan Carpenter
2015-05-09 21:18 ` [PATCH v3 04/33] staging: rtl8192e: Fix DEEP_INDENTATION warning in rtllib_parse_info_param() Mateusz Kulikowski
2015-05-10 7:49 ` Sudip Mukherjee
2015-05-12 21:01 ` Mateusz Kulikowski
2015-05-13 4:45 ` Sudip Mukherjee
2015-05-13 8:26 ` Dan Carpenter
2015-05-11 13:48 ` Dan Carpenter
2015-05-12 20:46 ` Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 05/33] staging: rtl8192e: Replace memcmp() with ether_addr_equal_unaligned() Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 06/33] staging: rtl8192e: Remove rtllib_crypt.[ch] Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 07/33] staging: rtl8192e: Replace RTLLIB_DEBUG(DL_ERR) with netdev_*() Mateusz Kulikowski
2015-05-10 7:53 ` Sudip Mukherjee
2015-05-12 20:43 ` Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 08/33] staging: rtl8192e: Remove RTLLIB_ERROR() and RTLLIB_WARNING() Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 09/33] staging: rtl8192e: Remove RTLLIB_DEBUG_WX() Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 10/33] staging: rtl8192e: Simplify rtllib_proces_probe_response() Mateusz Kulikowski
2015-05-09 21:18 ` [PATCH v3 11/33] staging: rtl8192e: Remove RTLLIB_DEBUG_SCAN() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 12/33] staging: rtl8192e: Remove RTLLIB_DEBUG_(FRAG|EAP|DROP|STATE|TX|RX)() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 13/33] staging: rtl8192e: Remove RTLLIB_DEBUG_QOS() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 14/33] staging: rtl8192e: Remove RTLLIB_DEBUG_MGMT() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 15/33] staging: rtl8192e: Remove RTLLIB_DEBUG_INFO() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 16/33] staging: rtl8192e: Remove RTLLIB_DEBUG() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 17/33] staging: rtl8192e: Remove RTLLIB_DEBUG_DATA() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 18/33] staging: rtl8192e: Remove remains of RTLLIB_*_DEBUG() (including proc entry) Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 19/33] staging: rtl8192e: Remove assert() macro Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 20/33] staging: rtl8192e: Fix PREFER_PR_LEVEL warnings Mateusz Kulikowski
2015-05-09 22:37 ` Joe Perches
2015-05-12 20:20 ` Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 21/33] staging: rtl8192e: Fix LONG_LINE warnings Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 22/33] staging: rtl8192e: Fix LONG_LING in rtllib_parse_info_param() Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 23/33] staging: rtl8192e: Remove unimplemented iwpriv handlers Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 24/33] staging: rtl8192e: Fix OOM_MESSAGE warnings Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 25/33] staging: rtl8192e: Remove unused rtl_crypto.h Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 26/33] staging: rtl8192e: Replace ?: with max_t Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 27/33] staging: rtl8192e: Replace ?: with min_t Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 28/33] staging: rtl8192e: Replace ?: with max Mateusz Kulikowski
2015-05-11 13:22 ` Dan Carpenter
2015-05-12 20:08 ` Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 29/33] staging: rtl8192e: Remove unneeded RT_TRACE(COMP_ERR,...) Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 30/33] staging: rtl8192e: rtl8192_phy_checkBBAndRF(): Don't check MAC Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 31/33] staging: rtl8192e: Replace RT_TRACE(COMP_ERR, ...) with netdev_* Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 32/33] staging: rtl8192e: Fix trivial LONG_LINE errors Mateusz Kulikowski
2015-05-09 21:19 ` [PATCH v3 33/33] staging: rtl8192e: rtl8192E_suspend(): Fix WOL reporting Mateusz Kulikowski
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