Messages in this thread Patch in this message | | | From | Eric Northup <> | Subject | [PATCH] virtio_scsi: fix memory leak on full queue condition. | Date | Thu, 8 Nov 2012 01:55:50 -0800 |
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virtscsi_queuecommand was leaking memory when the virtio queue was full.
Tested: Guest operates correctly even with very small queue sizes, validated we're not leaking kmalloc-192 sized allocations anymore.
Signed-off-by: Eric Northup <digitaleric@google.com> --- drivers/scsi/virtio_scsi.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 595af1a..dd8dc27 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -469,6 +469,8 @@ static int virtscsi_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc) sizeof cmd->req.cmd, sizeof cmd->resp.cmd, GFP_ATOMIC) >= 0) ret = 0; + else + mempool_free(cmd, virtscsi_cmd_pool); out: return ret; -- 1.7.7.3
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