This is a note to let you know that I've just added the patch titled

MIPS: ath25: Check for kzalloc allocation failure

to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: mips-ath25-check-for-kzalloc-allocation-failure.patch and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From 1b22b4b28fd5fbc51855219e3238b3ab81da8466 Mon Sep 17 00:00:00 2001

From: Colin Ian King colin.king@canonical.com Date: Thu, 22 Feb 2018 17:50:12 +0000 Subject: MIPS: ath25: Check for kzalloc allocation failure

From: Colin Ian King colin.king@canonical.com

commit 1b22b4b28fd5fbc51855219e3238b3ab81da8466 upstream.

Currently there is no null check on a failed allocation of board_data, and hence a null pointer dereference will occurr. Fix this by checking for the out of memory null pointer.

Fixes: a7473717483e ("MIPS: ath25: add board configuration detection") Signed-off-by: Colin Ian King colin.king@canonical.com Cc: Ralf Baechle ralf@linux-mips.org Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org # 3.19+ Patchwork: https://patchwork.linux-mips.org/patch/18657/ Signed-off-by: James Hogan jhogan@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- arch/mips/ath25/board.c | 2 ++ 1 file changed, 2 insertions(+)

--- a/arch/mips/ath25/board.c +++ b/arch/mips/ath25/board.c @@ -135,6 +135,8 @@ int __init ath25_find_config(phys_addr_t }

board_data = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL); + if (!board_data) + goto error; ath25_board.config = (struct ath25_boarddata *)board_data; memcpy_fromio(board_data, bcfg, 0x100); if (broken_boarddata) {

Patches currently in stable-queue which might be from colin.king@canonical.com are

queue-4.15/mips-ath25-check-for-kzalloc-allocation-failure.patch queue-4.15/mips-octeon-irq-check-for-null-return-on-kzalloc-allocation.patch