Hi LABBE, [auto build test WARNING on net/master -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/LABBE-Corentin/net-change-len-parameter-type-for-memcpy_-to-from-_msg/20151023-201642 config: sparc64-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sparc64 All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:277:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/module.h:9, from net/bluetooth/sco.c:27: net/bluetooth/sco.c: In function 'sco_send_frame': include/linux/dynamic_debug.h:64:16: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t' [-Wformat=] static struct _ddebug __aligned(8) \ ^ include/linux/dynamic_debug.h:76:2: note: in expansion of macro 'DEFINE_DYNAMIC_DEBUG_METADATA' DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ ^ include/linux/printk.h:283:2: note: in expansion of macro 'dynamic_pr_debug' dynamic_pr_debug(fmt, ##__VA_ARGS__) ^ include/net/bluetooth/bluetooth.h:129:26: note: in expansion of macro 'pr_debug' #define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__) ^ >> net/bluetooth/sco.c:281:2: note: in expansion of macro 'BT_DBG' BT_DBG("sk %p len %d", sk, len); ^ vim +/BT_DBG +281 net/bluetooth/sco.c ^1da177e Linus Torvalds 2005-04-16 265 done: 09fd0de5 Gustavo Padovan 2011-06-17 266 hci_dev_unlock(hdev); ^1da177e Linus Torvalds 2005-04-16 267 hci_dev_put(hdev); ^1da177e Linus Torvalds 2005-04-16 268 return err; ^1da177e Linus Torvalds 2005-04-16 269 } ^1da177e Linus Torvalds 2005-04-16 270 722dd7cd LABBE Corentin 2015-10-23 271 static int sco_send_frame(struct sock *sk, struct msghdr *msg, size_t len) ^1da177e Linus Torvalds 2005-04-16 272 { ^1da177e Linus Torvalds 2005-04-16 273 struct sco_conn *conn = sco_pi(sk)->conn; ^1da177e Linus Torvalds 2005-04-16 274 struct sk_buff *skb; 088ce088 Mikel Astiz 2012-04-11 275 int err; ^1da177e Linus Torvalds 2005-04-16 276 ^1da177e Linus Torvalds 2005-04-16 277 /* Check outgoing MTU */ ^1da177e Linus Torvalds 2005-04-16 278 if (len > conn->mtu) ^1da177e Linus Torvalds 2005-04-16 279 return -EINVAL; ^1da177e Linus Torvalds 2005-04-16 280 ^1da177e Linus Torvalds 2005-04-16 @281 BT_DBG("sk %p len %d", sk, len); ^1da177e Linus Torvalds 2005-04-16 282 088ce088 Mikel Astiz 2012-04-11 283 skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err); b9dbdbc1 Gustavo Padovan 2010-05-01 284 if (!skb) ^1da177e Linus Torvalds 2005-04-16 285 return err; ^1da177e Linus Torvalds 2005-04-16 286 6ce8e9ce Al Viro 2014-04-06 287 if (memcpy_from_msg(skb_put(skb, len), msg, len)) { b9dbdbc1 Gustavo Padovan 2010-05-01 288 kfree_skb(skb); b9dbdbc1 Gustavo Padovan 2010-05-01 289 return -EFAULT; :::::: The code at line 281 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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