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Diffstat (limited to 'block/scsi_ioctl.c')
-rw-r--r--block/scsi_ioctl.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 9b8eaeca6a79..28163fad3c5d 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -142,7 +142,7 @@ static void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter)
__set_bit(GPCMD_VERIFY_10, filter->read_ok);
__set_bit(VERIFY_16, filter->read_ok);
__set_bit(REPORT_LUNS, filter->read_ok);
- __set_bit(SERVICE_ACTION_IN, filter->read_ok);
+ __set_bit(SERVICE_ACTION_IN_16, filter->read_ok);
__set_bit(RECEIVE_DIAGNOSTIC, filter->read_ok);
__set_bit(MAINTENANCE_IN, filter->read_ok);
__set_bit(GPCMD_READ_BUFFER_CAPACITY, filter->read_ok);
@@ -316,8 +316,8 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk,
ret = -ENOMEM;
rq = blk_get_request(q, writing ? WRITE : READ, GFP_KERNEL);
- if (!rq)
- goto out;
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
blk_rq_set_block_pc(rq);
if (hdr->cmd_len > BLK_MAX_CDB) {
@@ -387,7 +387,6 @@ out_free_cdb:
kfree(rq->cmd);
out_put_request:
blk_put_request(rq);
-out:
return ret;
}
@@ -457,9 +456,9 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
}
rq = blk_get_request(q, in_len ? WRITE : READ, __GFP_WAIT);
- if (!rq) {
- err = -ENOMEM;
- goto error;
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ goto error_free_buffer;
}
blk_rq_set_block_pc(rq);
@@ -509,7 +508,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_WAIT)) {
err = DRIVER_ERROR << 24;
- goto out;
+ goto error;
}
memset(sense, 0, sizeof(sense));
@@ -518,7 +517,6 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
blk_execute_rq(q, disk, rq, 0);
-out:
err = rq->errors & 0xff; /* only 8 bit SCSI status */
if (err) {
if (rq->sense_len && rq->sense) {
@@ -533,9 +531,11 @@ out:
}
error:
+ blk_put_request(rq);
+
+error_free_buffer:
kfree(buffer);
- if (rq)
- blk_put_request(rq);
+
return err;
}
EXPORT_SYMBOL_GPL(sg_scsi_ioctl);
@@ -548,6 +548,8 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk,
int err;
rq = blk_get_request(q, WRITE, __GFP_WAIT);
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
blk_rq_set_block_pc(rq);
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
rq->cmd[0] = cmd;