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authorAlex Shi <alex.shi@linaro.org>2015-06-25 16:17:21 +0800
committerAlex Shi <alex.shi@linaro.org>2015-06-25 16:19:06 +0800
commitbd4e9a26373331ef6f185500c72a8836eb7c82d9 (patch)
tree13384e7649be7bb88ab9524efcbc602be85d5020 /drivers/scsi/storvsc_drv.c
parent2528dbd348dd541e090594b7aac3f62351078388 (diff)
parent2cb9802eeb7f919f97df05b16ec128f4f5af366d (diff)
downloadlinux-linaro-stable-lsk-v3.14-15.07-android.tar.gz
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-androidlsk-v3.14-15.07-android
Conflicts: fs/exec.c Solutions: follow commit d221244a7 sched: move no_new_privs into new atomic flags to use task_no_new_privs(current).
Diffstat (limited to 'drivers/scsi/storvsc_drv.c')
-rw-r--r--drivers/scsi/storvsc_drv.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 86b05151fdab..3bb6646bb406 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -739,21 +739,22 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
if (bounce_sgl[j].length == PAGE_SIZE) {
/* full..move to next entry */
sg_kunmap_atomic(bounce_addr);
+ bounce_addr = 0;
j++;
+ }
- /* if we need to use another bounce buffer */
- if (srclen || i != orig_sgl_count - 1)
- bounce_addr = sg_kmap_atomic(bounce_sgl,j);
+ /* if we need to use another bounce buffer */
+ if (srclen && bounce_addr == 0)
+ bounce_addr = sg_kmap_atomic(bounce_sgl, j);
- } else if (srclen == 0 && i == orig_sgl_count - 1) {
- /* unmap the last bounce that is < PAGE_SIZE */
- sg_kunmap_atomic(bounce_addr);
- }
}
sg_kunmap_atomic(src_addr - orig_sgl[i].offset);
}
+ if (bounce_addr)
+ sg_kunmap_atomic(bounce_addr);
+
local_irq_restore(flags);
return total_copied;
@@ -1624,8 +1625,7 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
break;
default:
vm_srb->data_in = UNKNOWN_TYPE;
- vm_srb->win8_extension.srb_flags |= (SRB_FLAGS_DATA_IN |
- SRB_FLAGS_DATA_OUT);
+ vm_srb->win8_extension.srb_flags |= SRB_FLAGS_NO_DATA_TRANSFER;
break;
}