linux-kernel - [PATCH] ACPICA: Fix return

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Date:   Tue, 8 Nov 2022 19:43:54 +0800 (GMT+08:00)
From:   wangkailong@...i.cn
To:     Moore <robert.moore@...el.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Wentland <harry.wentland@....com>, Li <sunpeng.li@....com>,
        Siqueira <Rodrigo.Siqueira@....com>,
        Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>, Airlie <airlied@...il.com>,
        Vetter <daniel@...ll.ch>
Cc:     linux-acpi@...r.kernel.org, devel@...ica.org,
        linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH] ACPICA: Fix return

return is not a function, parentheses are not required

Signed-off-by: KaiLong Wang <wangkailong@...i.cn>
---
 drivers/acpi/acpica/evsci.c                     | 12 +++++-------
 drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 17 +++++++----------
 2 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/drivers/acpi/acpica/evsci.c b/drivers/acpi/acpica/evsci.c
index 3915ff61412b..63dd2aa2d16a 100644
--- a/drivers/acpi/acpica/evsci.c
+++ b/drivers/acpi/acpica/evsci.c
@@ -38,9 +38,8 @@ u32 acpi_ev_sci_dispatch(void)
 
 	/* Are there any host-installed SCI handlers? */
 
-	if (!acpi_gbl_sci_handler_list) {
-		return (int_status);
-	}
+	if (!acpi_gbl_sci_handler_list)
+		return int_status;
 
 	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
 
@@ -57,7 +56,7 @@ u32 acpi_ev_sci_dispatch(void)
 	}
 
 	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
-	return (int_status);
+	return int_status;
 }
 
 /*******************************************************************************
@@ -193,9 +192,8 @@ acpi_status acpi_ev_remove_all_sci_handlers(void)
 	    acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt,
 					     acpi_ev_sci_xrupt_handler);
 
-	if (!acpi_gbl_sci_handler_list) {
-		return (status);
-	}
+	if (!acpi_gbl_sci_handler_list)
+		return status;
 
 	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index 38d71b5c1f2d..66661a20117b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -29,7 +29,6 @@
 #include "core_types.h"
 #include "resource.h"
 #include "ipp.h"
-#include "timing_generator.h"
 #include "dc_dmub_srv.h"
 
 #define DC_LOGGER dc->ctx->logger
@@ -152,9 +151,8 @@ static void dc_stream_free(struct kref *kref)
 
 void dc_stream_release(struct dc_stream_state *stream)
 {
-	if (stream != NULL) {
+	if (stream != NULL)
 		kref_put(&stream->refcount, dc_stream_free);
-	}
 }
 
 struct dc_stream_state *dc_create_stream_for_sink(
@@ -316,11 +314,11 @@ bool dc_stream_set_cursor_attributes(
 	struct dc  *dc;
 	bool reset_idle_optimizations = false;
 
-	if (NULL == stream) {
+	if (stream == NULL) {
 		dm_error("DC: dc_stream is NULL!\n");
 		return false;
 	}
-	if (NULL == attributes) {
+	if (attributes == NULL) {
 		dm_error("DC: attributes is NULL!\n");
 		return false;
 	}
@@ -399,12 +397,12 @@ bool dc_stream_set_cursor_position(
 	struct dc  *dc = stream->ctx->dc;
 	bool reset_idle_optimizations = false;
 
-	if (NULL == stream) {
+	if (stream == NULL) {
 		dm_error("DC: dc_stream is NULL!\n");
 		return false;
 	}
 
-	if (NULL == position) {
+	if (position == NULL) {
 		dm_error("DC: cursor position is NULL!\n");
 		return false;
 	}
@@ -468,9 +466,8 @@ bool dc_stream_add_writeback(struct dc *dc,
 		}
 	}
 
-	if (!isDrc) {
+	if (!isDrc)
 		stream->writeback_info[stream->num_wb_info++] = *wb_info;
-	}
 
 	if (dc->hwss.enable_writeback) {
 		struct dc_stream_status *stream_status = dc_stream_get_status(stream);
@@ -526,7 +523,7 @@ bool dc_stream_remove_writeback(struct dc *dc,
 	/* remove writeback info for disabled writeback pipes from stream */
 	for (i = 0, j = 0; i < stream->num_wb_info; i++) {
 		if (stream->writeback_info[i].wb_enabled) {
-			if (j < i)
+			if (i != j)
 				/* trim the array */
 				stream->writeback_info[j] = stream->writeback_info[i];
 			j++;
-- 
2.36.1