From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Mon, 16 Dec 2013 09:49:23 +0000 Subject: [patch v2] tgafb: potential NULL dereference in init Message-Id: <20131216094922.GE13831@elgon.mountain> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org Static checkers complain that there are paths where "tga_type_name" can be NULL. I've re-arranged the code slightly so that's impossible. Signed-off-by: Dan Carpenter --- v1: had introduced a "dereferencing uninitialized variable" bug. Thanks to Geert Uytterhoeven for catching that. diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index f28674fea909..afd8887fd656 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -1496,10 +1496,9 @@ tgafb_init_fix(struct fb_info *info) if (tga_bus_tc) tga_type_name = "Digital ZLX-E3"; break; - default: - tga_type_name = "Unknown"; - break; } + if (!tga_type_name) + tga_type_name = "Unknown"; strlcpy(info->fix.id, tga_type_name, sizeof(info->fix.id));