The checks for SCSI cmnd, SCSI device, and SCSI host are unnecessary, so
drop them. Likewise, drop the NULL check for sdbg_host.
The only caller is scsi_try_bus_reset() -> eh_bus_reset_handler(),
and there those pointers cannot be NULL.
Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx>
---
drivers/scsi/scsi_debug.c | 26 ++++++++------------------
1 file changed, 8 insertions(+), 18 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 6364d6f08861..749358b48335 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5412,34 +5412,24 @@ static int scsi_debug_target_reset(struct scsi_cmnd *SCpnt)
static int scsi_debug_bus_reset(struct scsi_cmnd *SCpnt)
{
- struct sdebug_host_info *sdbg_host;
+ struct scsi_device *sdp = SCpnt->device;
+ struct sdebug_host_info *sdbg_host = shost_to_sdebug_host(sdp->host);
struct sdebug_dev_info *devip;
- struct scsi_device *sdp;
- struct Scsi_Host *hp;
int k = 0;
++num_bus_resets;
- if (!(SCpnt && SCpnt->device))
- goto lie;
- sdp = SCpnt->device;
+
if (SDEBUG_OPT_ALL_NOISE & sdebug_opts)
sdev_printk(KERN_INFO, sdp, "%s\n", __func__);
- hp = sdp->host;
- if (hp) {
- sdbg_host = shost_to_sdebug_host(hp);
- if (sdbg_host) {
- list_for_each_entry(devip,
- &sdbg_host->dev_info_list,
- dev_list) {
- set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm);
- ++k;
- }
- }
+
+ list_for_each_entry(devip, &sdbg_host->dev_info_list, dev_list) {
+ set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm);
+ ++k;
}
+
if (SDEBUG_OPT_RESET_NOISE & sdebug_opts)
sdev_printk(KERN_INFO, sdp,
"%s: %d device(s) found in host\n", __func__, k);
-lie:
return SUCCESS;
}
--
2.35.3
