This is a note to let you know that I've just added the patch titled xhci: check for failed dma pool allocation to the 3.10-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: xhci-check-for-failed-dma-pool-allocation.patch and it can be found in the queue-3.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 025f880cb2e4d7218d0422d4b07bea1a68959c38 Mon Sep 17 00:00:00 2001 From: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> Date: Mon, 17 Jun 2013 09:56:33 -0700 Subject: xhci: check for failed dma pool allocation From: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> commit 025f880cb2e4d7218d0422d4b07bea1a68959c38 upstream. Fail and free the container context in case dma_pool_alloc() can't allocate the raw context data part of it This patch should be backported to kernels as old as 2.6.31, that contain the commit d115b04818e57bdbc7ccde4d0660b15e33013dc8 "USB: xhci: Support for 64-byte contexts". Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> Cc: John Youn <johnyoun@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/host/xhci-mem.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -369,6 +369,10 @@ static struct xhci_container_ctx *xhci_a ctx->size += CTX_SIZE(xhci->hcc_params); ctx->bytes = dma_pool_alloc(xhci->device_pool, flags, &ctx->dma); + if (!ctx->bytes) { + kfree(ctx); + return NULL; + } memset(ctx->bytes, 0, ctx->size); return ctx; } Patches currently in stable-queue which might be from mathias.nyman@xxxxxxxxxxxxxxx are queue-3.10/xhci-check-for-failed-dma-pool-allocation.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