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(parent: 6d2cfb1) | patch
i2c: Not all adapters have a parent
authorJean Delvare <jdelvare@suse.de>
Thu, 10 Oct 2013 06:04:06 +0000 (08:04 +0200)
committerWolfram Sang <wsa@the-dreams.de>
Thu, 10 Oct 2013 08:22:31 +0000 (10:22 +0200)
commit47b6e477ed4ecacddd1f82d04d686026e08dc3db
treef9e03f3e28a24d9c4197d5483dd22585de74c583tree | snapshot
parent6d2cfb109725b748f47a242f87be9c31bf7e42c0commit | diff
i2c: Not all adapters have a parent

The code in acpi_i2c_register_devices() assumes that all i2c adapters
have a parent. This is not necessarily the case, for example the
i2c-stub driver instantiate a virtual i2c adapter without a parent.
Check for this to avoid a NULL pointer deference.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/i2c-core.c diff | blob | history
John Crispins staging tree