i2c: i2c-stm32f7: fix no check on returned setup
authorPierre-Yves MORDRET <pierre-yves.mordret@st.com>
Wed, 21 Mar 2018 16:48:40 +0000 (17:48 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 8 Apr 2018 12:26:27 +0000 (14:26 +0200)
commit834a06e59896aef1fe05d603eb0e161a4d969d84
treeb5c186d9fd10cea699a4f2e668c3682f9d6f5f8a
parentf025072cbfe3aec5b6e13618b1c3275868a4a541
i2c: i2c-stm32f7: fix no check on returned setup

commit 771b7bf05339081019d22452ebcab6929372e13e upstream.

Before assigning returned setup structure check if not null

Fixes: 463a9215f3ca7600b5ff ("i2c: stm32f7: fix setup structure")
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/i2c/busses/i2c-stm32f7.c