Re: [PATCH] nvme: fix uninitialized return of ret when sysfs_create_link fails

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This was already fixed and merged (by Dan)

On 10/2/19 5:43 AM, Colin King wrote:
From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Currently when the call to sysfs_create_link fails the error exit
path returns an uninitialized value in variable ret. Fix this by
returning the error code returned from the failed call to
sysfs_create_link.

Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 32fd90c40768 ("nvme: change locking for the per-subsystem controller list")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
  drivers/nvme/host/core.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 63b37d08ac98..f6acbff3e3bc 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2540,8 +2540,9 @@ static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
  		list_add_tail(&subsys->entry, &nvme_subsystems);
  	}
- if (sysfs_create_link(&subsys->dev.kobj, &ctrl->device->kobj,
-			dev_name(ctrl->device))) {
+	ret = sysfs_create_link(&subsys->dev.kobj, &ctrl->device->kobj,
+				dev_name(ctrl->device));
+	if (ret) {
  		dev_err(ctrl->device,
  			"failed to create sysfs link from subsystem.\n");
  		goto out_put_subsystem;




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