This is a note to let you know that I've just added the patch titled RDMA/bnxt_re: Add a check for memory allocation to the 6.11-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: rdma-bnxt_re-add-a-check-for-memory-allocation.patch and it can be found in the queue-6.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7d8797c462d6a5390eacaab631496aff57491a95 Author: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx> Date: Wed Sep 18 20:05:58 2024 -0700 RDMA/bnxt_re: Add a check for memory allocation [ Upstream commit c5c1ae73b7741fa3b58e6e001b407825bb971225 ] __alloc_pbl() can return error when memory allocation fails. Driver is not checking the status on one of the instances. Fixes: 0c4dcd602817 ("RDMA/bnxt_re: Refactor hardware queue memory allocation") Link: https://patch.msgid.link/r/1726715161-18941-4-git-send-email-selvin.xavier@xxxxxxxxxxxx Reviewed-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx> Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index dfc943fab87b4..1fdffd6a0f480 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -244,6 +244,8 @@ int bnxt_qplib_alloc_init_hwq(struct bnxt_qplib_hwq *hwq, sginfo.pgsize = npde * pg_size; sginfo.npages = 1; rc = __alloc_pbl(res, &hwq->pbl[PBL_LVL_0], &sginfo); + if (rc) + goto fail; /* Alloc PBL pages */ sginfo.npages = npbl;