tgafb: potential NULL dereference in init

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 <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c
index 5e94c6e4f682..07c7df9ee77b 100644
--- a/drivers/video/tgafb.c
+++ b/drivers/video/tgafb.c
@@ -1490,10 +1490,9 @@ 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));