[U-Boot] [RFC PATCH 04/21] dm: core: Tidy up error handling in device_bind()
Simon Glass
sjg at chromium.org
Sat Jan 17 00:15:26 CET 2015
Make the error handling more standard to make it easier to build on top of
it. Also correct a bug in the error path where there is no parent.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
drivers/core/device.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/core/device.c b/drivers/core/device.c
index 963b16f..eca8eda 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -81,18 +81,13 @@ int device_bind(struct udevice *parent, struct driver *drv, const char *name,
ret = uclass_bind_device(dev);
if (ret)
- goto fail_bind;
+ goto fail_uclass_bind;
/* if we fail to bind we remove device from successors and free it */
if (drv->bind) {
ret = drv->bind(dev);
- if (ret) {
- if (uclass_unbind_device(dev)) {
- dm_warn("Failed to unbind dev '%s' on error path\n",
- dev->name);
- }
+ if (ret)
goto fail_bind;
- }
}
if (parent)
dm_dbg("Bound device %s to %s\n", dev->name, parent->name);
@@ -101,8 +96,15 @@ int device_bind(struct udevice *parent, struct driver *drv, const char *name,
return 0;
fail_bind:
- list_del(&dev->sibling_node);
+ if (uclass_unbind_device(dev)) {
+ dm_warn("Failed to unbind dev '%s' on error path\n",
+ dev->name);
+ }
+fail_uclass_bind:
+ if (parent)
+ list_del(&dev->sibling_node);
free(dev);
+
return ret;
}
--
2.2.0.rc0.207.ga3a616c
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