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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-07 01:15:25 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-07 23:41:46 +0200 |
| commit | 3fe444ad7e3a6951fa0c9b552c5afe6f6df0d571 (patch) | |
| tree | e81f4cc4752f9c5c243e8f84a8470f5b48b8e19e /drivers/acpi/glue.c | |
| parent | Merge branch 'pm-fixes' (diff) | |
| download | linux-3fe444ad7e3a6951fa0c9b552c5afe6f6df0d571.tar.xz linux-3fe444ad7e3a6951fa0c9b552c5afe6f6df0d571.zip | |
ACPI: Do not fail acpi_bind_one() if device is already bound correctly
Modify acpi_bind_one() so that it doesn't fail if the device
represented by its first argument has already been bound to the
given ACPI handle (second argument), because that is not a good
enough reason for returning an error code.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Lan Tianyu <tianyu.lan@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Diffstat (limited to 'drivers/acpi/glue.c')
| -rw-r--r-- | drivers/acpi/glue.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 408f6b2a5fa8..48cc4c98e18b 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -217,7 +217,10 @@ int acpi_bind_one(struct device *dev, acpi_handle handle) /* Sanity check. */ if (pn->dev == dev) { dev_warn(dev, "Already associated with ACPI node\n"); - goto err_free; + if (ACPI_HANDLE(dev) == handle) + retval = 0; + + goto out_free; } if (pn->node_id == node_id) { physnode_list = &pn->node; @@ -255,10 +258,14 @@ int acpi_bind_one(struct device *dev, acpi_handle handle) put_device(dev); return retval; - err_free: + out_free: mutex_unlock(&acpi_dev->physical_node_lock); kfree(physical_node); - goto err; + if (retval) + goto err; + + put_device(dev); + return 0; } EXPORT_SYMBOL_GPL(acpi_bind_one); |