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RDMA/uverbs: Add __GFP_NOWARN to ib_uverbs_unmarshall_recv() kmalloc

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Since wqe_size in ib_uverbs_unmarshall_recv() is user-provided and already
validated, but can still be large, add __GFP_NOWARN to suppress memory
allocation warnings for large sizes, consistent with the similar fix in
ib_uverbs_post_send().

Fixes: 67cdb40ca4 ("[IB] uverbs: Implement more commands")
Signed-off-by: Yi Liu <liuy22@mails.tsinghua.edu.cn>
Link: https://patch.msgid.link/20260129094900.3517706-1-liuy22@mails.tsinghua.edu.cn
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Yi Liu
2026-01-29 17:49:00 +08:00
committed by Leon Romanovsky
parent 5ee62b4a91
commit 58b604dfc7
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/uverbs_cmd.c
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@@ -2242,7 +2242,7 @@ ib_uverbs_unmarshall_recv(struct uverbs_req_iter *iter, u32 wr_count,
if (ret)
return ERR_PTR(ret);
user_wr = kmalloc(wqe_size, GFP_KERNEL);
user_wr = kmalloc(wqe_size, GFP_KERNEL | __GFP_NOWARN);
if (!user_wr)
return ERR_PTR(-ENOMEM);