Commit 9c383396 authored by Thorsten Blum's avatar Thorsten Blum Committed by Steve French
Browse files

ksmbd: Use struct_size() to improve smb_direct_rdma_xmit() 



Use struct_size() to calculate the number of bytes to allocate for a
new message.

Signed-off-by: default avatarThorsten Blum <thorsten.blum@linux.dev>
Acked-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 0801c137

fs/smb/server/transport_rdma.c

+2 −2
Original line number Diff line number Diff line
@@ -1405,8 +1405,8 @@ static int smb_direct_rdma_xmit(struct smb_direct_transport *t, 
	/* build rdma_rw_ctx for each descriptor */

	desc_buf = buf;

	for (i = 0; i < desc_num; i++) {

		msg = kzalloc(offsetof(struct smb_direct_rdma_rw_msg, sg_list) +

			      sizeof(struct scatterlist) * SG_CHUNK_SIZE, GFP_KERNEL);

		msg = kzalloc(struct_size(msg, sg_list, SG_CHUNK_SIZE),

			      GFP_KERNEL);

		if (!msg) {

			ret = -ENOMEM;

			goto out;