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scst_scsi_exec_async(): Fix a recently introduced memory leak

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Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6016 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2015-01-31 04:41:09 +00:00
parent c7868c2733
commit 8732cf3036
1 changed files with 6 additions and 3 deletions
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9
scst/src/scst_lib.c
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@@ -6797,7 +6797,7 @@ int scst_scsi_exec_async(struct scst_cmd *cmd, void *data,
if (!test_bit(QUEUE_FLAG_BIDI, &q->queue_flags)) {
res = -EOPNOTSUPP;
goto out;
goto out_free_sioc;
}
rq = blk_map_kern_sg(q, cmd->out_sg, cmd->out_sg_cnt, gfp,
@@ -6805,7 +6805,7 @@ int scst_scsi_exec_async(struct scst_cmd *cmd, void *data,
if (IS_ERR(rq)) {
res = PTR_ERR(rq);
TRACE_DBG("blk_map_kern_sg() failed: %d", res);
goto out;
goto out_free_sioc;
}
next_rq = blk_map_kern_sg(q, cmd->sg, cmd->sg_cnt, gfp, false);
@@ -6820,7 +6820,7 @@ int scst_scsi_exec_async(struct scst_cmd *cmd, void *data,
if (IS_ERR(rq)) {
res = PTR_ERR(rq);
TRACE_DBG("blk_map_kern_sg() failed: %d", res);
goto out;
goto out_free_sioc;
}
}
@@ -6861,6 +6861,9 @@ out_free_unmap:
rq->bio = NULL;
blk_put_request(rq);
out_free_sioc:
kmem_cache_free(scsi_io_context_cache, sioc);
goto out;
}
EXPORT_SYMBOL(scst_scsi_exec_async);