From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fengguang Wu Date: Fri, 17 Aug 2012 03:27:42 +0000 Subject: drm_fb_helper.c:1247:1-8: alloc with no test Message-Id: <20120817032742.GB26867@localhost> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org Hi Daniel, FYI, here is a potential problem on memory allocation failure, caught by coccinelle: + drivers/gpu/drm/drm_fb_helper.c:1247:1-8: alloc with no test, possible model on line 1252 vim +1247 drivers/gpu/drm/drm_fb_helper.c 1244 sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL); 1245 modes = kcalloc(dev->mode_config.num_connector, 1246 sizeof(struct drm_display_mode *), GFP_KERNEL); > 1247 enabled = kcalloc(dev->mode_config.num_connector, 1248 sizeof(bool), GFP_KERNEL); 1249 1250 drm_enable_connectors(fb_helper, enabled); --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation