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| author |   Navid Emamdoost <navid.emamdoost@gmail.com> | 2020-06-04 22:06:43 -0500 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-06-04 21:14:50 -0600 |
| commit | eea1238867205b9e48a67c1a63219529a73c46fd (patch) | |
| tree | 910173c7c1fad903159241f9bae822a22a712930 /drivers/ata | |
| parent | atomisp: avoid warning about unused function (diff) | |
| download | wireguard-linux-eea1238867205b9e48a67c1a63219529a73c46fd.tar.xz wireguard-linux-eea1238867205b9e48a67c1a63219529a73c46fd.zip | |
sata_rcar: handle pm_runtime_get_sync failure cases
Calling pm_runtime_get_sync increments the counter even in case of
failure, causing incorrect ref count. Call pm_runtime_put if
pm_runtime_get_sync fails.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/sata_rcar.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 980aacdbcf3b..141ac600b64c 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -907,7 +907,7 @@ static int sata_rcar_probe(struct platform_device *pdev) pm_runtime_enable(dev); ret = pm_runtime_get_sync(dev); if (ret < 0) - goto err_pm_disable; + goto err_pm_put; host = ata_host_alloc(dev, 1); if (!host) { @@ -937,7 +937,6 @@ static int sata_rcar_probe(struct platform_device *pdev) err_pm_put: pm_runtime_put(dev); -err_pm_disable: pm_runtime_disable(dev); return ret; } @@ -991,8 +990,10 @@ static int sata_rcar_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put(dev); return ret; + } if (priv->type == RCAR_GEN3_SATA) { sata_rcar_init_module(priv); @@ -1017,8 +1018,10 @@ static int sata_rcar_restore(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put(dev); return ret; + } sata_rcar_setup_port(host); |