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platform/surface: aggregator: Do not return uninitialized value

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The status variable in ssam_nf_refcount_disable_free() is only set when
the reference count equals zero. Otherwise, it is returned
uninitialized. Fix this by always initializing status to zero.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 640ee17199e4 ("platform/surface: aggregator: Allow enabling of events without notifiers")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210604210907.25738-2-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Maximilian Luz 2021-06-04 23:09:06 +02:00 committed by Hans de Goede
parent 8ae200547a
commit 37ed76a745
1 changed files with 1 additions and 1 deletions
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2
drivers/platform/surface/aggregator/controller.c
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@ -2228,7 +2228,7 @@ static int ssam_nf_refcount_disable_free(struct ssam_controller *ctrl,
const struct ssam_event_registry reg = entry->key.reg;
const struct ssam_event_id id = entry->key.id;
struct ssam_nf *nf = &ctrl->cplt.event.notif;
int status;
int status = 0;
lockdep_assert_held(&nf->lock);