This is a note to let you know that I've just added the patch titled pcmcia: i82092: fix a null pointer dereference bug 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: pcmcia-i82092-fix-a-null-pointer-dereference-bug.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 e39cdacf2f664b09029e7c1eb354c91a20c367af Mon Sep 17 00:00:00 2001 From: Zheyu Ma <zheyuma97@xxxxxxxxx> Date: Tue, 22 Jun 2021 07:11:31 +0000 Subject: pcmcia: i82092: fix a null pointer dereference bug From: Zheyu Ma <zheyuma97@xxxxxxxxx> commit e39cdacf2f664b09029e7c1eb354c91a20c367af upstream. During the driver loading process, the 'dev' field was not assigned, but the 'dev' field was referenced in the subsequent 'i82092aa_set_mem_map' function. Signed-off-by: Zheyu Ma <zheyuma97@xxxxxxxxx> CC: <stable@xxxxxxxxxxxxxxx> [linux@xxxxxxxxxxxxxxxxxxxx: shorten commit message, add Cc to stable] Signed-off-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/pcmcia/i82092.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -105,6 +105,7 @@ static int i82092aa_pci_probe(struct pci for (i = 0;i<socket_count;i++) { sockets[i].card_state = 1; /* 1 = present but empty */ sockets[i].io_base = pci_resource_start(dev, 0); + sockets[i].dev = dev; sockets[i].socket.features |= SS_CAP_PCCARD; sockets[i].socket.map_size = 0x1000; sockets[i].socket.irq_mask = 0; Patches currently in stable-queue which might be from zheyuma97@xxxxxxxxx are queue-4.4/pcmcia-i82092-fix-a-null-pointer-dereference-bug.patch