Hi Damien,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.19 next-20260212] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Damien-Ri-gel/greybus-cpc-add... base: linus/master patch link: https://lore.kernel.org/r/20260212144352.93043-15-damien.riegel%40silabs.com patch subject: [PATCH v3 14/14] greybus: cpc: add CPC SDIO host driver config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260213/202602130822.5syxoFy2-lkp@i...) compiler: nios2-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260213/202602130822.5syxoFy2-lkp@i...)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202602130822.5syxoFy2-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/greybus/cpc/sdio.c: In function 'gb_cpc_sdio_tx':
drivers/greybus/cpc/sdio.c:286:13: warning: variable 'err' set but not used [-Wunused-but-set-variable]
286 | int err; | ^~~
vim +/err +286 drivers/greybus/cpc/sdio.c
279 280 static int gb_cpc_sdio_tx(struct cpc_sdio *ctx) 281 { 282 struct sk_buff_head frame_list; 283 unsigned char *tx_buff; 284 size_t tx_len; 285 int pkt_sent;
286 int err;
287 288 skb_queue_head_init(&frame_list); 289 290 cpc_hd_dequeue_many(ctx->cpc_hd, &frame_list, ctx->max_aggregation); 291 292 if (skb_queue_empty(&frame_list)) 293 return 0; 294 295 tx_len = cpc_sdio_build_aggregated_frame(ctx, &frame_list, &tx_buff); 296 if (!tx_len) { 297 dev_err(ctx->dev, "failed to build aggregated frame\n"); 298 goto cleanup_frames; 299 } 300 301 sdio_claim_host(ctx->func); 302 err = sdio_writesb(ctx->func, GB_CPC_SDIO_ADDR_FIFO, tx_buff, tx_len); 303 sdio_release_host(ctx->func); 304 305 kfree(tx_buff); 306 307 cleanup_frames: 308 pkt_sent = skb_queue_len(&frame_list); 309 skb_queue_purge(&frame_list); 310 311 return pkt_sent; 312 } 313