viafb: NULL dereference on allocation failure in query_edid()

We should handle the allocation here, if only to keep the static
checkers happy.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Dan Carpenter 2012-02-17 09:45:01 +03:00 committed by Florian Tobias Schandinat
parent 7b91812048
commit c572c8bbff

View File

@ -36,10 +36,13 @@ static void query_edid(struct via_aux_drv *drv)
unsigned char edid[EDID_LENGTH];
bool valid = false;
if (spec)
if (spec) {
fb_destroy_modedb(spec->modedb);
else
} else {
spec = kmalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return;
}
spec->version = spec->revision = 0;
if (via_aux_read(drv, 0x00, edid, EDID_LENGTH)) {