Messages in this thread | | | Date | Fri, 20 Mar 2015 12:58:54 +0100 | From | Sebastian Reichel <> | Subject | Re: [PATCH] power_supply: 88pm860x_charger: Fix possible NULL pointer dereference and use of initialized variable |
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Hi Krzysztof,
On Fri, Mar 20, 2015 at 10:26:02AM +0100, Krzysztof Kozlowski wrote: > Do not put reference to power supply in early exit paths of > pm860x_done_handler() because: > 1. it is not yet initialized, > 2. it is NULL. > > This fixes possible NULL pointer dereference and following build > warning: > drivers/power/88pm860x_charger.c: In function ‘pm860x_done_handler’: > drivers/power/88pm860x_charger.c:516:18: warning: ‘psy’ may be used uninitialized in this function [-Wmaybe-uninitialized] > > Additionally this puts the power supply reference before unlocking > mutex. This actually is not needed (there is no race here) but has > logical sense and makes the exit paths cleaner. > > Reported-by: kbuild test robot <fengguang.wu@intel.com> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Thanks, pulled.
-- Sebastian [unhandled content-type:application/pgp-signature] | |