tree bfaca562cfa95e71f7e7efe44d67f245d59b32f6
parent a1cdedac634eef81f747078bf1c27ad36ab13553
author David Brownell <david-b@pacbell.net> 1216067904 +0200
committer Jean Delvare <khali@mahadeva.delvare> 1216067904 +0200

i2c: i2c_use_client() defends against NULL

Defend the i2c refcount calls against NULL pointers, as is important
(and conventional) for such calls.  Note that none of the current
callers of i2c_use_client() use its return value.

[JD: I hate this but apparently all the other subsystems do it so...]

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>