[PATCH] staging: qlge: deal with the case that devlink_health_reporter_create fails
From: Coiby Xu <hidden>
Date: 2021-03-24 01:01:31
Also in:
linux-staging, lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
From: Coiby Xu <redacted> devlink_health_reporter_create may fail. In that case, do the cleanup work. Reported-by: Dan Carpenter <redacted> Signed-off-by: Coiby Xu <redacted> --- drivers/staging/qlge/qlge_devlink.c | 10 +++++++--- drivers/staging/qlge/qlge_devlink.h | 2 +- drivers/staging/qlge/qlge_main.c | 8 +++++++- 3 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/qlge/qlge_devlink.c b/drivers/staging/qlge/qlge_devlink.c
index 86834d96cebf..0ab02d6d3817 100644
--- a/drivers/staging/qlge/qlge_devlink.c
+++ b/drivers/staging/qlge/qlge_devlink.c@@ -148,16 +148,20 @@ static const struct devlink_health_reporter_ops qlge_reporter_ops = { .dump = qlge_reporter_coredump, }; -void qlge_health_create_reporters(struct qlge_adapter *priv) +long qlge_health_create_reporters(struct qlge_adapter *priv) { struct devlink *devlink; + long err = 0; devlink = priv_to_devlink(priv); priv->reporter = devlink_health_reporter_create(devlink, &qlge_reporter_ops, 0, priv); - if (IS_ERR(priv->reporter)) + if (IS_ERR(priv->reporter)) { + err = PTR_ERR(priv->reporter); netdev_warn(priv->ndev, "Failed to create reporter, err = %ld\n", - PTR_ERR(priv->reporter)); + err); + } + return err; }
diff --git a/drivers/staging/qlge/qlge_devlink.h b/drivers/staging/qlge/qlge_devlink.h
index 19078e1ac694..94538e923f2f 100644
--- a/drivers/staging/qlge/qlge_devlink.h
+++ b/drivers/staging/qlge/qlge_devlink.h@@ -4,6 +4,6 @@ #include <net/devlink.h> -void qlge_health_create_reporters(struct qlge_adapter *priv); +long qlge_health_create_reporters(struct qlge_adapter *priv); #endif /* QLGE_DEVLINK_H */
diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 5516be3af898..59d1ec580696 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c@@ -4620,7 +4620,11 @@ static int qlge_probe(struct pci_dev *pdev, if (err) goto netdev_free; - qlge_health_create_reporters(qdev); + err = qlge_health_create_reporters(qdev); + + if (err) + goto devlink_unregister; + /* Start up the timer to trigger EEH if * the bus goes dead */
@@ -4632,6 +4636,8 @@ static int qlge_probe(struct pci_dev *pdev, cards_found++; return 0; +devlink_unregister: + devlink_unregister(devlink); netdev_free: free_netdev(ndev); devlink_free:
--
2.31.0