diff options
| author | Kevin Hilman <khilman@linaro.org> | 2015-06-16 15:29:36 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-06-16 15:29:36 -0700 |
| commit | b0477f5f8ec85bf8a82f6aa6eee308d72c418032 (patch) | |
| tree | d520be10a261f418dbf4539f1d2b5d48d74ba0d3 /drivers/scsi/storvsc_drv.c | |
| parent | 13a29d9ad242f0bf3b31afe812c81558d54892de (diff) | |
| parent | 9a004a75a3305fbd3c253f38cd0788164c4fbd56 (diff) | |
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-androidlsk-v3.18-15.07-android
Diffstat (limited to 'drivers/scsi/storvsc_drv.c')
| -rw-r--r-- | drivers/scsi/storvsc_drv.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 90af465359d6..e511e3406cfa 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -741,21 +741,22 @@ 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; @@ -1622,8 +1623,7 @@ 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; } |