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authorRuan Jinjie <ruanjinjie@huawei.com>2023-08-09 06:44:42 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-08-16 01:08:27 +0300
commit3cc0f8f4e391bfb0a9d0ca91594faea56f4752e9 (patch)
treeff12874b8fda4ee60b2d28a72b4c7aa0eae07084
parent259d968034c3cb1890ff539e75d803b44c8e81e4 (diff)
downloadlinux-3cc0f8f4e391bfb0a9d0ca91594faea56f4752e9.tar.xz
drm/radeon: Remove unnecessary NULL values
The NULL initialization of the pointers assigned by kzalloc() first is not necessary, because if the kzalloc() failed, the pointers will be assigned NULL, otherwise it works as usual. so remove it. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_agp.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_combios.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_encoders.c4
3 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
index d124600b5f58..a3d749e350f9 100644
--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -130,7 +130,7 @@ static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = {
struct radeon_agp_head *radeon_agp_head_init(struct drm_device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev->dev);
- struct radeon_agp_head *head = NULL;
+ struct radeon_agp_head *head;
head = kzalloc(sizeof(*head), GFP_KERNEL);
if (!head)
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 795c3667f6d6..2620efc7c675 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -863,7 +863,7 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
struct radeon_device *rdev = dev->dev_private;
uint16_t dac_info;
uint8_t rev, bg, dac;
- struct radeon_encoder_primary_dac *p_dac = NULL;
+ struct radeon_encoder_primary_dac *p_dac;
int found = 0;
p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
@@ -1014,7 +1014,7 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
struct radeon_device *rdev = dev->dev_private;
uint16_t dac_info;
uint8_t rev, bg, dac;
- struct radeon_encoder_tv_dac *tv_dac = NULL;
+ struct radeon_encoder_tv_dac *tv_dac;
int found = 0;
tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
@@ -1100,7 +1100,7 @@ static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
radeon_device
*rdev)
{
- struct radeon_encoder_lvds *lvds = NULL;
+ struct radeon_encoder_lvds *lvds;
uint32_t fp_vert_stretch, fp_horz_stretch;
uint32_t ppll_div_sel, ppll_val;
uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 601d35d34eab..c4350ac2b3d2 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -1692,7 +1692,7 @@ static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
- struct radeon_encoder_int_tmds *tmds = NULL;
+ struct radeon_encoder_int_tmds *tmds;
bool ret;
tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
@@ -1715,7 +1715,7 @@ static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct ra
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
- struct radeon_encoder_ext_tmds *tmds = NULL;
+ struct radeon_encoder_ext_tmds *tmds;
bool ret;
if (rdev->is_atom_bios)