Commit 37941ea1 authored Oct 16, 2019 by Long Li Committed by Steve French Nov 25, 2019

cifs: smbd: Return -EINVAL when the number of iovs exceeds SMBDIRECT_MAX_SGE



While it's not friendly to fail user processes that issue more iovs
than we support, at least we should return the correct error code so the
user process gets a chance to retry with smaller number of iovs.

Signed-off-by: Long Li <longli@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>

parent b7a55bbd

fs/cifs/smbdirect.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1069,7 +1069,7 @@ static int smbd_post_send_data(

		if (n_vec > SMBDIRECT_MAX_SGE) {
		cifs_dbg(VFS, "Can't fit data to SGL, n_vec=%d\n", n_vec);
		return -ENOMEM;
		return -EINVAL;
		}

		sg_init_table(sgl, n_vec);

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