tmiofb: missing NULL pointer checks
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44471
Reported-by: <rucsoftsec@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/video/tmiofb.c b/drivers/video/tmiofb.c
index 8e4a446..b244f06 100644
--- a/drivers/video/tmiofb.c
+++ b/drivers/video/tmiofb.c
@@ -694,6 +694,10 @@
dev_err(&dev->dev, "NULL platform data!\n");
return -EINVAL;
}
+ if (ccr == NULL || lcr == NULL || vram == NULL || irq < 0) {
+ dev_err(&dev->dev, "missing resources\n");
+ return -EINVAL;
+ }
info = framebuffer_alloc(sizeof(struct tmiofb_par), &dev->dev);