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authorPete Zaitcev <zaitcev@redhat.com>2007-10-23 21:57:25 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2008-02-01 17:34:47 -0500
commiteedffd12e07d8fd150618d603d010b491dc90354 (patch)
treed0a14f642db6719d47b24d24e06bc4a168d02c63 /drivers/block
parent5a3201b2809a9f7bcda8413c445483f5b5e490a3 (diff)
USB: Remove unnecessary zeroing from ub
These zeroings were taken from usb-storage long time ago. I examined the submission paths and usb_fill_bulk_urb and found them unnecessary. Signed-off-by: Pete Zaitcev <zaitcev@yahoo.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/ub.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index c6179d6ac6e4..a70c1c29a7aa 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -922,11 +922,6 @@ static int ub_scsi_cmd_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
922 usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->send_bulk_pipe, 922 usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->send_bulk_pipe,
923 bcb, US_BULK_CB_WRAP_LEN, ub_urb_complete, sc); 923 bcb, US_BULK_CB_WRAP_LEN, ub_urb_complete, sc);
924 924
925 /* Fill what we shouldn't be filling, because usb-storage did so. */
926 sc->work_urb.actual_length = 0;
927 sc->work_urb.error_count = 0;
928 sc->work_urb.status = 0;
929
930 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) { 925 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
931 /* XXX Clear stalls */ 926 /* XXX Clear stalls */
932 ub_complete(&sc->work_done); 927 ub_complete(&sc->work_done);
@@ -1313,9 +1308,6 @@ static void ub_data_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
1313 sc->last_pipe = pipe; 1308 sc->last_pipe = pipe;
1314 usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, sg_virt(sg), 1309 usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, sg_virt(sg),
1315 sg->length, ub_urb_complete, sc); 1310 sg->length, ub_urb_complete, sc);
1316 sc->work_urb.actual_length = 0;
1317 sc->work_urb.error_count = 0;
1318 sc->work_urb.status = 0;
1319 1311
1320 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) { 1312 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
1321 /* XXX Clear stalls */ 1313 /* XXX Clear stalls */
@@ -1356,9 +1348,6 @@ static int __ub_state_stat(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
1356 sc->last_pipe = sc->recv_bulk_pipe; 1348 sc->last_pipe = sc->recv_bulk_pipe;
1357 usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->recv_bulk_pipe, 1349 usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->recv_bulk_pipe,
1358 &sc->work_bcs, US_BULK_CS_WRAP_LEN, ub_urb_complete, sc); 1350 &sc->work_bcs, US_BULK_CS_WRAP_LEN, ub_urb_complete, sc);
1359 sc->work_urb.actual_length = 0;
1360 sc->work_urb.error_count = 0;
1361 sc->work_urb.status = 0;
1362 1351
1363 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) { 1352 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
1364 /* XXX Clear stalls */ 1353 /* XXX Clear stalls */
@@ -1473,9 +1462,6 @@ static int ub_submit_clear_stall(struct ub_dev *sc, struct ub_scsi_cmd *cmd,
1473 1462
1474 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe, 1463 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe,
1475 (unsigned char*) cr, NULL, 0, ub_urb_complete, sc); 1464 (unsigned char*) cr, NULL, 0, ub_urb_complete, sc);
1476 sc->work_urb.actual_length = 0;
1477 sc->work_urb.error_count = 0;
1478 sc->work_urb.status = 0;
1479 1465
1480 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) { 1466 if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
1481 ub_complete(&sc->work_done); 1467 ub_complete(&sc->work_done);
@@ -1953,9 +1939,6 @@ static int ub_sync_reset(struct ub_dev *sc)
1953 1939
1954 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe, 1940 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe,
1955 (unsigned char*) cr, NULL, 0, ub_probe_urb_complete, &compl); 1941 (unsigned char*) cr, NULL, 0, ub_probe_urb_complete, &compl);
1956 sc->work_urb.actual_length = 0;
1957 sc->work_urb.error_count = 0;
1958 sc->work_urb.status = 0;
1959 1942
1960 if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) { 1943 if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) {
1961 printk(KERN_WARNING 1944 printk(KERN_WARNING
@@ -2007,9 +1990,6 @@ static int ub_sync_getmaxlun(struct ub_dev *sc)
2007 1990
2008 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->recv_ctrl_pipe, 1991 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->recv_ctrl_pipe,
2009 (unsigned char*) cr, p, 1, ub_probe_urb_complete, &compl); 1992 (unsigned char*) cr, p, 1, ub_probe_urb_complete, &compl);
2010 sc->work_urb.actual_length = 0;
2011 sc->work_urb.error_count = 0;
2012 sc->work_urb.status = 0;
2013 1993
2014 if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) 1994 if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0)
2015 goto err_submit; 1995 goto err_submit;
@@ -2077,9 +2057,6 @@ static int ub_probe_clear_stall(struct ub_dev *sc, int stalled_pipe)
2077 2057
2078 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe, 2058 usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe,
2079 (unsigned char*) cr, NULL, 0, ub_probe_urb_complete, &compl); 2059 (unsigned char*) cr, NULL, 0, ub_probe_urb_complete, &compl);
2080 sc->work_urb.actual_length = 0;
2081 sc->work_urb.error_count = 0;
2082 sc->work_urb.status = 0;
2083 2060
2084 if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) { 2061 if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) {
2085 printk(KERN_WARNING 2062 printk(KERN_WARNING