@@ -56,7 +56,7 @@ smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon,
struct kvec rsp_iov[3];
struct kvec open_iov[SMB2_CREATE_IOV_SIZE];
struct kvec qi_iov[1];
- struct kvec si_iov[3]; /* 2 + potential padding. */
+ struct kvec si_iov[SMB2_SET_INFO_IOV_SIZE];
struct kvec close_iov[1];
struct smb2_query_info_rsp *qi_rsp = NULL;
int flags = 0;
@@ -1174,6 +1174,15 @@ struct smb2_query_info_rsp {
__u8 Buffer[1];
} __packed;
+/*
+ * Maximum number of iovs we need for a set-info request.
+ * The largest one is rename/hardlink
+ * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
+ * [1] : path
+ * [2] : compound padding
+ */
+#define SMB2_SET_INFO_IOV_SIZE 3
+
struct smb2_set_info_req {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 33 */
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> --- fs/cifs/smb2inode.c | 2 +- fs/cifs/smb2pdu.h | 9 +++++++++ 2 files changed, 10 insertions(+), 1 deletion(-)