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(parent: 2933253) | patch
regmap: fix a NULL pointer dereference in __regmap_init
authorSergey SENOZHATSKY <sergey.senozhatsky.work@gmail.com>
Mon, 31 Aug 2015 09:54:58 +0000 (18:54 +0900)
committerMark Brown <broonie@kernel.org>
Mon, 31 Aug 2015 10:38:36 +0000 (11:38 +0100)
commit17649c90ff4c5246bb4babf6260029968a6d119d
tree1d6d28160ef5288d1eb073889309053c707195e4tree | snapshot
parent29332534e2b68b5889a40ccb6606ba0d06750a69commit | diff
regmap: fix a NULL pointer dereference in __regmap_init

__regmap_init() may receive a NULL `struct regmap_bus *bus' pointer,
for example, from snd_hdac_regmap_init(), and it make sure that it
does not NULL deference `bus`, except around ->max_raw_read and
->max_raw_write initialisation. Add missing check.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/base/regmap/regmap.c diff | blob | history
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