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Zhengchao Shao 0ac65fab2b 9p/rdma: unmap receive dma buffer in rdma_request()/post_recv() 
[ Upstream commit 74a25e6e916cb57dab4267a96fbe8864ed21abdb ]

When down_interruptible() or ib_post_send() failed in rdma_request(),
receive dma buffer is not unmapped. Add unmap action to error path.
Also if ib_post_recv() failed in post_recv(), dma buffer is not unmapped.
Add unmap action to error path.

Link: https://lkml.kernel.org/r/20230104020424.611926-1-shaozhengchao@huawei.com
Fixes: fc79d4b104f0 ("9p: rdma: RDMA Transport Support for 9P")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-11 16:40:13 +01:00
..
client.c
net/9p: Initialize the iounit field during fid creation
2022-08-21 15:16:26 +02:00
error.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188
2019-05-30 11:29:21 -07:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Makefile
9p: Remove p9_idpool
2018-08-29 13:39:57 +09:00
mod.c
net: Add MODULE_DESCRIPTION entries to network modules
2020-06-20 21:33:57 -07:00
protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188
2019-05-30 11:29:21 -07:00
protocol.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188
2019-05-30 11:29:21 -07:00
trans_common.c
net/9p: include trans_common.h to fix missing prototype warning.
2018-11-20 15:04:16 +09:00
trans_common.h
net/9p: remove (now-)unused helpers
2015-04-11 22:28:29 -04:00
trans_fd.c
9p/fd: Use P9_HDRSZ for header size
2022-12-14 11:31:53 +01:00
trans_rdma.c
9p/rdma: unmap receive dma buffer in rdma_request()/post_recv()
2023-03-11 16:40:13 +01:00
trans_virtio.c
9p/trans_virtio: Remove sysfs file on probe failure
2021-09-26 14:08:57 +02:00
trans_xen.c
9p/xen: fix connection sequence
2023-03-11 16:40:13 +01:00