On Mon, 21 Sep 2015, Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote: > The function can return negative value. > > The problem has been detected using proposed semantic patch > scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. > > [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 > > Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_lrc.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c > index fe06accb0..ff9a481 100644 > --- a/drivers/gpu/drm/i915/intel_lrc.c > +++ b/drivers/gpu/drm/i915/intel_lrc.c > @@ -1254,9 +1254,10 @@ static int gen8_init_indirectctx_bb(struct intel_engine_cs *ring, > > /* WaFlushCoherentL3CacheLinesAtContextSwitch:bdw */ > if (IS_BROADWELL(ring->dev)) { > - index = gen8_emit_flush_coherentl3_wa(ring, batch, index); > - if (index < 0) > - return index; > + int rc = gen8_emit_flush_coherentl3_wa(ring, batch, index); > + if (rc < 0) > + return rc; > + index = rc; > } > > /* WaClearSlmSpaceAtContextSwitch:bdw,chv */ > -- > 1.9.1 > -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel