[PATCH 3/7] cifs: smbd: Return -EINVAL when the number of iovs exceeds SMBDIRECT_MAX_SGE
longli at linuxonhyperv.com
longli at linuxonhyperv.com
Wed Oct 16 20:51:52 UTC 2019
From: Long Li <longli at microsoft.com>
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 at microsoft.com>
Cc: stable at vger.kernel.org
---
fs/cifs/smbdirect.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
index cd07e5301d42..d41a9345f90d 100644
--- a/fs/cifs/smbdirect.c
+++ b/fs/cifs/smbdirect.c
@@ -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);
--
2.17.1
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