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| author | Li Zhijian <lizhijian@cn.fujitsu.com> | 2021-12-28 04:44:06 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-01-04 17:29:34 +0300 |
| commit | 8ff5f5d9d8cfce6a1e368a6daa7123be133a6c35 (patch) | |
| tree | 7393e9589e14b2601094969804e503574860ab7b /drivers/infiniband/hw/mlx5/mr.c | |
| parent | c9e6606c7fe92b50a02ce51dda82586ebdf99b48 (diff) | |
| download | linux-8ff5f5d9d8cfce6a1e368a6daa7123be133a6c35.tar.xz | |
RDMA/rxe: Prevent double freeing rxe_map_set()
The same rxe_map_set could be freed twice:
rxe_reg_user_mr()
-> rxe_mr_init_user()
-> rxe_mr_free_map_set() # 1st
-> rxe_drop_ref()
...
-> rxe_mr_cleanup()
-> rxe_mr_free_map_set() # 2nd
Follow normal convection and put resource cleanup either in the error
unwind of the allocator, or the overall free function. Leave the object
unchanged with a NULL cur_map_set on failure and remove the unncessary
free in rxe_mr_init_user().
Link: https://lore.kernel.org/r/20211228014406.1033444-1-lizhijian@cn.fujitsu.com
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mr.c')
0 files changed, 0 insertions, 0 deletions