MIRRORS/linux-imx
1
0
Fork 0
mirror of https://github.com/nxp-imx/linux-imx.git synced 2025-07-13 12:49:35 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

nvme: avoid double free special payload

Browse Source 
[ Upstream commit e5d574ab37 ]

If a discard request needs to be retried, and that retry may fail before
a new special payload is added, a double free will result. Clear the
RQF_SPECIAL_LOAD when the request is cleaned.

Signed-off-by: Chunguang Xu <chunguang.xu@shopee.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chunguang Xu 2024-06-11 18:02:08 +08:00 committed by Greg Kroah-Hartman
parent b241d17aa1
commit ae84383c96
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/nvme/host/core.c
View File

@ -938,6 +938,7 @@ void nvme_cleanup_cmd(struct request *req)
clear_bit_unlock(0, &ctrl->discard_page_busy);
else
kfree(bvec_virt(&req->special_vec));
req->rq_flags &= ~RQF_SPECIAL_PAYLOAD;
}
}
EXPORT_SYMBOL_GPL(nvme_cleanup_cmd);