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authorKay Sievers <kay.sievers@vrfy.org>2009-05-28 14:24:07 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-05-28 14:24:07 -0700
commit5c8563d773c0e9f0ac2a552e84806decd98ce732 (patch)
treeb771f23cd143c4efb4f140f8ef98204cf9c6ef93 /drivers/base/core.c
parent086a377edc969aea6c761176a7e4ff68f264d6fe (diff)
Driver Core: do not oops when driver_unregister() is called for unregistered drivers
We also fix a problem with cleaning up properly when initializing drivers and devices, so checks like this will work successfully. Portions of the patch by Linus and Greg and Ingo. Reported-by: Ozan Çağlayan <ozan@pardus.org.tr> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/core.c')
-rw-r--r--drivers/base/core.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4aa527b8a913..1977d4beb89e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -879,7 +879,7 @@ int device_add(struct device *dev)
}
if (!dev_name(dev))
- goto done;
+ goto name_error;
pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
@@ -978,6 +978,9 @@ done:
cleanup_device_parent(dev);
if (parent)
put_device(parent);
+name_error:
+ kfree(dev->p);
+ dev->p = NULL;
goto done;
}