All the mail mirrored from lore.kernel.org
 help / color / mirror / Atom feed
From: "Fabio M. De Francesco" <fmdefrancesco@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Larry Finger <Larry.Finger@lwfinger.net>,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Cc: "Fabio M. De Francesco" <fmdefrancesco@gmail.com>
Subject: [PATCH] staging: r8188eu: Fix different base types in assignments and parameters
Date: Fri, 30 Jul 2021 20:14:52 +0200	[thread overview]
Message-ID: <20210730181452.23062-1-fmdefrancesco@gmail.com> (raw)

Fix sparse warnings of different base types in assignments
and in passing function parameters.

Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
---
 drivers/staging/r8188eu/core/rtw_br_ext.c | 46 ++++++++++++++++++-----
 1 file changed, 36 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
index e00302137a60..31ca2e548555 100644
--- a/drivers/staging/r8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
@@ -71,7 +71,7 @@ static inline int __nat25_add_pppoe_tag(struct sk_buff *skb, struct pppoe_tag *t
 	struct pppoe_hdr *ph = (struct pppoe_hdr *)(skb->data + ETH_HLEN);
 	int data_len;
 
-	data_len = tag->tag_len + TAG_HDR_LEN;
+	data_len = be16_to_cpu(tag->tag_len) + TAG_HDR_LEN;
 	if (skb_tailroom(skb) < data_len) {
 		_DEBUG_ERR("skb_tailroom() failed in add SID tag!\n");
 		return -1;
@@ -134,42 +134,68 @@ static inline void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr
 }
 
 static inline void __nat25_generate_ipx_network_addr_with_node(unsigned char *networkAddr,
-				unsigned int *ipxNetAddr, unsigned char *ipxNodeAddr)
+				__be32 *ipxNetAddr, unsigned char *ipxNodeAddr)
 {
+	union {
+                unsigned int f0;
+                unsigned char f1[IPX_NODE_LEN];
+        } addr;
+
 	memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
 
 	networkAddr[0] = NAT25_IPX;
-	memcpy(networkAddr+1, (unsigned char *)ipxNetAddr, 4);
+	addr.f0 = be32_to_cpu(*ipxNetAddr);
+	memcpy(networkAddr+1, addr.f1, 4);
 	memcpy(networkAddr+5, ipxNodeAddr, 6);
 }
 
 static inline void __nat25_generate_ipx_network_addr_with_socket(unsigned char *networkAddr,
-				unsigned int *ipxNetAddr, unsigned short *ipxSocketAddr)
+				__be32 *ipxNetAddr, __be16 *ipxSocketAddr)
 {
+	union {
+		unsigned int f0;
+		unsigned char f1[4];
+	} addr;
+
 	memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
 
 	networkAddr[0] = NAT25_IPX;
-	memcpy(networkAddr+1, (unsigned char *)ipxNetAddr, 4);
-	memcpy(networkAddr+5, (unsigned char *)ipxSocketAddr, 2);
+	addr.f0 = be32_to_cpu(*ipxNetAddr);
+	memcpy(networkAddr+1, addr.f1, 4);
+	addr.f0 ^= addr.f0;
+	addr.f0 = be16_to_cpu(*ipxSocketAddr);
+	memcpy(networkAddr+5, addr.f1, 2);
 }
 
 static inline void __nat25_generate_apple_network_addr(unsigned char *networkAddr,
-				unsigned short *network, unsigned char *node)
+				__be16 *network, unsigned char *node)
 {
+	union {
+                unsigned short f0;
+                unsigned char f1[2];
+        } addr;
+
 	memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
 
 	networkAddr[0] = NAT25_APPLE;
-	memcpy(networkAddr+1, (unsigned char *)network, 2);
+	addr.f0 = be16_to_cpu(*network);
+	memcpy(networkAddr+1, addr.f1, 2);
 	networkAddr[3] = *node;
 }
 
 static inline void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
-				unsigned char *ac_mac, unsigned short *sid)
+				unsigned char *ac_mac, __be16 *sid)
 {
+	union {
+                unsigned short f0;
+                unsigned char f1[2];
+        } addr;
+
 	memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
 
 	networkAddr[0] = NAT25_PPPOE;
-	memcpy(networkAddr+1, (unsigned char *)sid, 2);
+	addr.f0 = be16_to_cpu(*sid);
+	memcpy(networkAddr+1, addr.f1, 2);
 	memcpy(networkAddr+3, (unsigned char *)ac_mac, 6);
 }
 
-- 
2.32.0


             reply	other threads:[~2021-07-30 18:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 18:14 Fabio M. De Francesco [this message]
2021-08-02 14:05 ` [PATCH] staging: r8188eu: Fix different base types in assignments and parameters Dan Carpenter
2021-08-02 14:26   ` Fabio M. De Francesco
2021-08-02 15:21     ` Fabio M. De Francesco
2021-08-03  8:15   ` Fabio M. De Francesco
2021-08-03 14:01     ` Dan Carpenter
2021-08-04  7:59 ` Dan Carpenter
2021-08-04  9:00   ` Fabio M. De Francesco
2021-08-04  9:58     ` Dan Carpenter
2021-08-04 11:29       ` Fabio M. De Francesco
2021-08-04 12:00         ` Dan Carpenter

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=20210730181452.23062-1-fmdefrancesco@gmail.com \
    --to=fmdefrancesco@gmail.com \
    --cc=Larry.Finger@lwfinger.net \
    --cc=gregkh@linuxfoundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-staging@lists.linux.dev \
    /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.