if (blk_fill_sghdr_rq(q, rq, hdr, mode))
goto out_free_cdb;
+ ret = 0;
if (hdr->iovec_count) {
size_t iov_data_len;
struct iovec *iov = NULL;
}
rq = blk_get_request(q, in_len ? WRITE : READ, __GFP_WAIT);
+ if (!rq) {
+ err = -ENOMEM;
+ goto error;
+ }
+ blk_rq_set_block_pc(rq);
cmdlen = COMMAND_SIZE(opcode);
memset(sense, 0, sizeof(sense));
rq->sense = sense;
rq->sense_len = 0;
- blk_rq_set_block_pc(rq);
blk_execute_rq(q, disk, rq, 0);
error:
kfree(buffer);
- blk_put_request(rq);
+ if (rq)
+ blk_put_request(rq);
return err;
}
EXPORT_SYMBOL_GPL(sg_scsi_ioctl);