@@ -2240,28 +2240,25 @@ iscsit_handle_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
rx_size = payload_length;
if (payload_length) {
u32 checksum = 0, data_crc = 0;
- u32 padding = 0, pad_bytes = 0;
+ u32 padding = 0;
int niov = 0, rx_got;
- struct kvec iov[3];
+ struct kvec iov[2];
- text_in = kzalloc(payload_length, GFP_KERNEL);
+ rx_size = ALIGN(payload_length, 4);
+ text_in = kzalloc(rx_size, GFP_KERNEL);
if (!text_in)
goto reject;
cmd->text_in_ptr = text_in;
- memset(iov, 0, 3 * sizeof(struct kvec));
+ memset(iov, 0, sizeof(iov));
iov[niov].iov_base = text_in;
- iov[niov++].iov_len = payload_length;
+ iov[niov++].iov_len = rx_size;
- padding = ((-payload_length) & 3);
- if (padding != 0) {
- iov[niov].iov_base = &pad_bytes;
- iov[niov++].iov_len = padding;
- rx_size += padding;
+ padding = rx_size - payload_length;
+ if (padding)
pr_debug("Receiving %u additional bytes"
" for padding.\n", padding);
- }
if (conn->conn_ops->DataDigest) {
iov[niov].iov_base = &checksum;
iov[niov++].iov_len = ISCSI_CRC_LEN;
@@ -2273,9 +2270,9 @@ iscsit_handle_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
goto reject;
if (conn->conn_ops->DataDigest) {
- iscsit_do_crypto_hash_buf(conn->conn_rx_hash, text_in,
- payload_length, padding,
- &pad_bytes, &data_crc);
+ iscsit_do_crypto_hash_buf(conn->conn_rx_hash,
+ text_in, rx_size, 0, NULL,
+ &data_crc);
if (checksum != data_crc) {
pr_err("Text data CRC32C DataDigest"
Treat text_in and padding as a single buffer instead of two buffers. Cc: Nicholas Bellinger <nab@linux-iscsi.org> Cc: Mike Christie <mchristi@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: Bart Van Assche <bvanassche@acm.org> --- drivers/target/iscsi/iscsi_target.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-)