3.5.7.17 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Mathias Nyman <[email protected]> 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 <[email protected]> Signed-off-by: Sarah Sharp <[email protected]> Cc: John Youn <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Luis Henriques <[email protected]> --- drivers/usb/host/xhci-mem.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 0618f25..1ffbbfb 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -369,6 +369,10 @@ static struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci 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; } -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
