[kbuild-all] drivers/net/wireless/ath/ath6kl/htc_pipe.c:241:17: sparse: sparse: incorrect type in assignment (different base types)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a90af8f15bdc9449ee2d24e1d73fa3f7e8633f81 commit: 803f4e1eab7a8938ba3a3c30dd4eb5e9eeef5e63 asm-generic: simplify asm/unaligned.h date: 6 months ago config: sparc64-randconfig-s031-20211116 (attached as .config) compiler: sparc64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 803f4e1eab7a8938ba3a3c30dd4eb5e9eeef5e63 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sparc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/wireless/ath/ath6kl/htc_pipe.c:241:17: sparse: expected restricted __le16 x drivers/net/wireless/ath/ath6kl/htc_pipe.c:241:17: sparse: got unsigned short [usertype] -- drivers/net/wireless/ath/ath6kl/htc_mbox.c:368:9: sparse: expected restricted __le16 x drivers/net/wireless/ath/ath6kl/htc_mbox.c:368:9: sparse: got unsigned short [usertype] -- drivers/hid/hid-uclogic-rdesc.c:854:25: sparse: expected signed int x drivers/hid/hid-uclogic-rdesc.c:854:25: sparse: got restricted __le32 [usertype] vim +241 drivers/net/wireless/ath/ath6kl/htc_pipe.c 636f828844fad9 Kalle Valo 2012-03-25 202 636f828844fad9 Kalle Valo 2012-03-25 203 static int htc_issue_packets(struct htc_target *target, 636f828844fad9 Kalle Valo 2012-03-25 204 struct htc_endpoint *ep, 636f828844fad9 Kalle Valo 2012-03-25 205 struct list_head *pkt_queue) 636f828844fad9 Kalle Valo 2012-03-25 206 { 636f828844fad9 Kalle Valo 2012-03-25 207 int status = 0; 636f828844fad9 Kalle Valo 2012-03-25 208 u16 payload_len; 636f828844fad9 Kalle Valo 2012-03-25 209 struct sk_buff *skb; 636f828844fad9 Kalle Valo 2012-03-25 210 struct htc_frame_hdr *htc_hdr; 636f828844fad9 Kalle Valo 2012-03-25 211 struct htc_packet *packet; 636f828844fad9 Kalle Valo 2012-03-25 212 636f828844fad9 Kalle Valo 2012-03-25 213 ath6kl_dbg(ATH6KL_DBG_HTC, 636f828844fad9 Kalle Valo 2012-03-25 214 "%s: queue: 0x%p, pkts %d\n", __func__, 636f828844fad9 Kalle Valo 2012-03-25 215 pkt_queue, get_queue_depth(pkt_queue)); 636f828844fad9 Kalle Valo 2012-03-25 216 636f828844fad9 Kalle Valo 2012-03-25 217 while (!list_empty(pkt_queue)) { 636f828844fad9 Kalle Valo 2012-03-25 218 packet = list_first_entry(pkt_queue, struct htc_packet, list); 636f828844fad9 Kalle Valo 2012-03-25 219 list_del(&packet->list); 636f828844fad9 Kalle Valo 2012-03-25 220 636f828844fad9 Kalle Valo 2012-03-25 221 skb = packet->skb; 636f828844fad9 Kalle Valo 2012-03-25 222 if (!skb) { 636f828844fad9 Kalle Valo 2012-03-25 223 WARN_ON_ONCE(1); 636f828844fad9 Kalle Valo 2012-03-25 224 status = -EINVAL; 636f828844fad9 Kalle Valo 2012-03-25 225 break; 636f828844fad9 Kalle Valo 2012-03-25 226 } 636f828844fad9 Kalle Valo 2012-03-25 227 636f828844fad9 Kalle Valo 2012-03-25 228 payload_len = packet->act_len; 636f828844fad9 Kalle Valo 2012-03-25 229 636f828844fad9 Kalle Valo 2012-03-25 230 /* setup HTC frame header */ d58ff35122847a Johannes Berg 2017-06-16 231 htc_hdr = skb_push(skb, sizeof(*htc_hdr)); 636f828844fad9 Kalle Valo 2012-03-25 232 if (!htc_hdr) { 636f828844fad9 Kalle Valo 2012-03-25 233 WARN_ON_ONCE(1); 636f828844fad9 Kalle Valo 2012-03-25 234 status = -EINVAL; 636f828844fad9 Kalle Valo 2012-03-25 235 break; 636f828844fad9 Kalle Valo 2012-03-25 236 } 636f828844fad9 Kalle Valo 2012-03-25 237 636f828844fad9 Kalle Valo 2012-03-25 238 packet->info.tx.flags |= HTC_FLAGS_TX_FIXUP_NETBUF; 636f828844fad9 Kalle Valo 2012-03-25 239 636f828844fad9 Kalle Valo 2012-03-25 240 /* Endianess? */ 636f828844fad9 Kalle Valo 2012-03-25 @241 put_unaligned((u16) payload_len, &htc_hdr->payld_len); 636f828844fad9 Kalle Valo 2012-03-25 242 htc_hdr->flags = packet->info.tx.flags; 636f828844fad9 Kalle Valo 2012-03-25 243 htc_hdr->eid = (u8) packet->endpoint; 636f828844fad9 Kalle Valo 2012-03-25 244 htc_hdr->ctrl[0] = 0; 636f828844fad9 Kalle Valo 2012-03-25 245 htc_hdr->ctrl[1] = (u8) packet->info.tx.seqno; 636f828844fad9 Kalle Valo 2012-03-25 246 636f828844fad9 Kalle Valo 2012-03-25 247 spin_lock_bh(&target->tx_lock); 636f828844fad9 Kalle Valo 2012-03-25 248 636f828844fad9 Kalle Valo 2012-03-25 249 /* store in look up queue to match completions */ 636f828844fad9 Kalle Valo 2012-03-25 250 list_add_tail(&packet->list, &ep->pipe.tx_lookup_queue); 636f828844fad9 Kalle Valo 2012-03-25 251 ep->ep_st.tx_issued += 1; 636f828844fad9 Kalle Valo 2012-03-25 252 spin_unlock_bh(&target->tx_lock); 636f828844fad9 Kalle Valo 2012-03-25 253 636f828844fad9 Kalle Valo 2012-03-25 254 status = ath6kl_hif_pipe_send(target->dev->ar, 636f828844fad9 Kalle Valo 2012-03-25 255 ep->pipe.pipeid_ul, NULL, skb); 636f828844fad9 Kalle Valo 2012-03-25 256 636f828844fad9 Kalle Valo 2012-03-25 257 if (status != 0) { 636f828844fad9 Kalle Valo 2012-03-25 258 if (status != -ENOMEM) { 636f828844fad9 Kalle Valo 2012-03-25 259 /* TODO: if more than 1 endpoint maps to the 636f828844fad9 Kalle Valo 2012-03-25 260 * same PipeID, it is possible to run out of 636f828844fad9 Kalle Valo 2012-03-25 261 * resources in the HIF layer. 636f828844fad9 Kalle Valo 2012-03-25 262 * Don't emit the error 636f828844fad9 Kalle Valo 2012-03-25 263 */ 636f828844fad9 Kalle Valo 2012-03-25 264 ath6kl_dbg(ATH6KL_DBG_HTC, 636f828844fad9 Kalle Valo 2012-03-25 265 "%s: failed status:%d\n", 636f828844fad9 Kalle Valo 2012-03-25 266 __func__, status); 636f828844fad9 Kalle Valo 2012-03-25 267 } 636f828844fad9 Kalle Valo 2012-03-25 268 spin_lock_bh(&target->tx_lock); 636f828844fad9 Kalle Valo 2012-03-25 269 list_del(&packet->list); 636f828844fad9 Kalle Valo 2012-03-25 270 636f828844fad9 Kalle Valo 2012-03-25 271 /* reclaim credits */ 636f828844fad9 Kalle Valo 2012-03-25 272 ep->cred_dist.credits += packet->info.tx.cred_used; 636f828844fad9 Kalle Valo 2012-03-25 273 spin_unlock_bh(&target->tx_lock); 636f828844fad9 Kalle Valo 2012-03-25 274 636f828844fad9 Kalle Valo 2012-03-25 275 /* put it back into the callers queue */ 636f828844fad9 Kalle Valo 2012-03-25 276 list_add(&packet->list, pkt_queue); 636f828844fad9 Kalle Valo 2012-03-25 277 break; 636f828844fad9 Kalle Valo 2012-03-25 278 } 636f828844fad9 Kalle Valo 2012-03-25 279 } 636f828844fad9 Kalle Valo 2012-03-25 280 636f828844fad9 Kalle Valo 2012-03-25 281 if (status != 0) { 636f828844fad9 Kalle Valo 2012-03-25 282 while (!list_empty(pkt_queue)) { 636f828844fad9 Kalle Valo 2012-03-25 283 if (status != -ENOMEM) { 636f828844fad9 Kalle Valo 2012-03-25 284 ath6kl_dbg(ATH6KL_DBG_HTC, 636f828844fad9 Kalle Valo 2012-03-25 285 "%s: failed pkt:0x%p status:%d\n", 636f828844fad9 Kalle Valo 2012-03-25 286 __func__, packet, status); 636f828844fad9 Kalle Valo 2012-03-25 287 } 636f828844fad9 Kalle Valo 2012-03-25 288 636f828844fad9 Kalle Valo 2012-03-25 289 packet = list_first_entry(pkt_queue, 636f828844fad9 Kalle Valo 2012-03-25 290 struct htc_packet, list); 636f828844fad9 Kalle Valo 2012-03-25 291 list_del(&packet->list); 636f828844fad9 Kalle Valo 2012-03-25 292 packet->status = status; 636f828844fad9 Kalle Valo 2012-03-25 293 send_packet_completion(target, packet); 636f828844fad9 Kalle Valo 2012-03-25 294 } 636f828844fad9 Kalle Valo 2012-03-25 295 } 636f828844fad9 Kalle Valo 2012-03-25 296 636f828844fad9 Kalle Valo 2012-03-25 297 return status; 636f828844fad9 Kalle Valo 2012-03-25 298 } 636f828844fad9 Kalle Valo 2012-03-25 299 :::::: The code at line 241 was first introduced by commit :::::: 636f828844fad9421ea6e7df053bba995febdecf ath6kl: Add HTC pipe implementation :::::: TO: Kalle Valo <kvalo(a)qca.qualcomm.com&gt; :::::: CC: Kalle Valo <kvalo(a)qca.qualcomm.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org