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Add the > error check and propagate the error. > > Signed-off-by: Li Zhong We usually use "r" as return and error variables, but that's just a nit. Reviewed-by: Christian König > --- > drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > index 1eb4e613b27a..ec055858eb95 100644 > --- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > +++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > @@ -1485,6 +1485,7 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size) > { > struct pp_hwmgr *hwmgr = handle; > struct amdgpu_device *adev = hwmgr->adev; > + int err; > > if (!addr || !size) > return -EINVAL; > @@ -1492,7 +1493,9 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size) > *addr = NULL; > *size = 0; > if (adev->pm.smu_prv_buffer) { > - amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + err = amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + if (err) > + return err; > *size = adev->pm.smu_prv_buffer_size; > } > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0E805C6FA82 for ; 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Add the > error check and propagate the error. > > Signed-off-by: Li Zhong We usually use "r" as return and error variables, but that's just a nit. Reviewed-by: Christian König > --- > drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > index 1eb4e613b27a..ec055858eb95 100644 > --- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > +++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > @@ -1485,6 +1485,7 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size) > { > struct pp_hwmgr *hwmgr = handle; > struct amdgpu_device *adev = hwmgr->adev; > + int err; > > if (!addr || !size) > return -EINVAL; > @@ -1492,7 +1493,9 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size) > *addr = NULL; > *size = 0; > if (adev->pm.smu_prv_buffer) { > - amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + err = amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + if (err) > + return err; > *size = adev->pm.smu_prv_buffer_size; > } >