diff mbox series

[V2,12/15] scsi: pcmcia: nsp_cs: use sg helper to operate sgl

Message ID 20190613071335.5679-13-ming.lei@redhat.com (mailing list archive)
State Superseded
Headers show
Series scsi: use sg helper to operate sgl | expand

Commit Message

Ming Lei June 13, 2019, 7:13 a.m. UTC 
The current way isn't safe for chained sgl, so use sg helper to
operate sgl.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 drivers/scsi/pcmcia/nsp_cs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index a81748e6e8fb..97416e1dcc5b 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -789,7 +789,7 @@  static void nsp_pio_read(struct scsi_cmnd *SCpnt)
 		    SCpnt->SCp.buffers_residual != 0 ) {
 			//nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out);
 			SCpnt->SCp.buffers_residual--;
-			SCpnt->SCp.buffer++;
+			SCpnt->SCp.buffer = sg_next(SCpnt->SCp.buffer);
 			SCpnt->SCp.ptr		 = BUFFER_ADDR;
 			SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
 			time_out = 1000;
@@ -887,7 +887,7 @@  static void nsp_pio_write(struct scsi_cmnd *SCpnt)
 		    SCpnt->SCp.buffers_residual != 0 ) {
 			//nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next");
 			SCpnt->SCp.buffers_residual--;
-			SCpnt->SCp.buffer++;
+			SCpnt->SCp.buffer = sg_next(SCpnt->SCp.buffer);
 			SCpnt->SCp.ptr		 = BUFFER_ADDR;
 			SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
 			time_out = 1000;