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[PATCH 4.7 134/186] drm/amd/powerplay: fix the incorrect return value

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  [PATCH 4.7 134/186] drm/amd/powerplay: fix the incorrect return value Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-18 16:40 +0200

#1465562 — [PATCH 4.7 134/186] drm/amd/powerplay: fix the incorrect return value

4.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huang Rui <ray.huang@amd.com>

commit bec5f70dad45f7ad63f97aa0988821532ebeade7 upstream.

The return value 0 (false) means fail to find GPIO in
atomctrl_get_pp_assign_pin. "-1" returns true as bool actually.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
@@ -592,12 +592,12 @@ bool atomctrl_get_pp_assign_pin(
 		const uint32_t pinId,
 		pp_atomctrl_gpio_pin_assignment *gpio_pin_assignment)
 {
-	bool bRet = 0;
+	bool bRet = false;
 	ATOM_GPIO_PIN_LUT *gpio_lookup_table =
 		get_gpio_lookup_table(hwmgr->device);
 
 	PP_ASSERT_WITH_CODE((NULL != gpio_lookup_table),
-			"Could not find GPIO lookup Table in BIOS.", return -1);
+			"Could not find GPIO lookup Table in BIOS.", return false);
 
 	bRet = atomctrl_lookup_gpio_pin(gpio_lookup_table, pinId,
 		gpio_pin_assignment);

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