This is a note to let you know that I've just added the patch titled [media] rc: sunxi-cir: Initialize the spinlock properly to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rc-sunxi-cir-initialize-the-spinlock-properly.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 768acf46e1320d6c41ed1b7c4952bab41c1cde79 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai <wens@xxxxxxxx> Date: Tue, 22 Dec 2015 02:27:35 -0200 Subject: [media] rc: sunxi-cir: Initialize the spinlock properly From: Chen-Yu Tsai <wens@xxxxxxxx> commit 768acf46e1320d6c41ed1b7c4952bab41c1cde79 upstream. The driver allocates the spinlock but fails to initialize it correctly. The kernel reports a BUG indicating bad spinlock magic when spinlock debugging is enabled. Call spin_lock_init() on it to initialize it correctly. Fixes: b4e3e59fb59c ("[media] rc: add sunxi-ir driver") Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/media/rc/sunxi-cir.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/media/rc/sunxi-cir.c +++ b/drivers/media/rc/sunxi-cir.c @@ -153,6 +153,8 @@ static int sunxi_ir_probe(struct platfor if (!ir) return -ENOMEM; + spin_lock_init(&ir->ir_lock); + if (of_device_is_compatible(dn, "allwinner,sun5i-a13-ir")) ir->fifo_size = 64; else Patches currently in stable-queue which might be from wens@xxxxxxxx are queue-4.4/rc-sunxi-cir-initialize-the-spinlock-properly.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html