i2c: slave: improve sanity check when registering
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Sat, 25 Jul 2020 19:50:52 +0000 (21:50 +0200)
committerWolfram Sang <wsa@kernel.org>
Tue, 28 Jul 2020 16:37:08 +0000 (18:37 +0200)
commit1b1be3bf27b62f5abcf85c6f3214bdb9c7526685
treef661f3debd12932cdb74cd04c19d175389a5e5d9
parentd076947912696efc1e223b25799a025cd73d6a22
i2c: slave: improve sanity check when registering

Add check for ERR_PTR and simplify code while here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Alain Volmat <alain.volmat@st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
drivers/i2c/i2c-core-slave.c