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(parent: 37b25b5) | 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)
commit374d1cc7f59fa1f9ca8fa08b2c410d9883221549
treef9e03f3e28a24d9c4197d5483dd22585de74c583tree | snapshot
parent37b25b5e13c2220b455d8670222cd965fb42985ecommit | 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
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