Re: [PATCH] nvme/core:disable streams when get stream params failed

From: Wu Bo
Date: Wed May 13 2020 - 02:12:41 EST


On 2020/5/13 0:06, Christoph Hellwig wrote:
On Wed, May 06, 2020 at 04:37:01PM +0800, Wu Bo wrote:
After enable nvme streams, then if get stream params failed,
We should disable streams before return error in
nvme_configure_directives() function.

Signed-off-by: Wu Bo <wubo40@xxxxxxxxxx>
---
drivers/nvme/host/core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index f2adea9..afe1f5a 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -552,8 +552,10 @@ static int nvme_configure_directives(struct nvme_ctrl *ctrl)
return ret;
ret = nvme_get_stream_params(ctrl, &s, NVME_NSID_ALL);
- if (ret)
+ if (ret) {
+ nvme_disable_streams(ctrl);
return ret;
+ }

Please use a out_disable goto label to not duplicate the error
handling with the other case that needs it.


OKï I will modify it in the V2 patch.

Thanks,
Wu Bo

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