From e56e9ad0370a29a4bee3a99fd517d8583804fd74 Mon Sep 17 00:00:00 2001 From: Alvin Lee Date: Fri, 3 Dec 2021 16:29:05 -0500 Subject: [PATCH] drm/amd/display: Fix check for null function ptr [Why] Bug fix for null function ptr (should check for NULL instead of not NULL) [How] Fix if condition Tested-by: Daniel Wheeler Reviewed-by: Samson Tam Acked-by: Rodrigo Siqueira Signed-off-by: Alvin Lee Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index f673a1c1777a..9280f2abd973 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -852,7 +852,7 @@ bool dmub_srv_should_detect(struct dmub_srv *dmub) enum dmub_status dmub_srv_clear_inbox0_ack(struct dmub_srv *dmub) { - if (!dmub->hw_init || dmub->hw_funcs.clear_inbox0_ack_register) + if (!dmub->hw_init || !dmub->hw_funcs.clear_inbox0_ack_register) return DMUB_STATUS_INVALID; dmub->hw_funcs.clear_inbox0_ack_register(dmub); @@ -878,7 +878,7 @@ enum dmub_status dmub_srv_wait_for_inbox0_ack(struct dmub_srv *dmub, uint32_t ti enum dmub_status dmub_srv_send_inbox0_cmd(struct dmub_srv *dmub, union dmub_inbox0_data_register data) { - if (!dmub->hw_init || dmub->hw_funcs.send_inbox0_cmd) + if (!dmub->hw_init || !dmub->hw_funcs.send_inbox0_cmd) return DMUB_STATUS_INVALID; dmub->hw_funcs.send_inbox0_cmd(dmub, data); -- GitLab