public inbox for intel-gfx@lists.freedesktop.org
 help / color / mirror / Atom feed
* [Intel-gfx] [PATCH] gpu: move from strlcpy with unused retval to strscpy
@ 2022-08-18 21:00 Wolfram Sang
  2022-08-18 22:05 ` Laurent Pinchart
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Wolfram Sang @ 2022-08-18 21:00 UTC (permalink / raw)
  To: linux-kernel
  Cc: Heiko Stübner, Neil Armstrong, David Airlie, dri-devel,
	Wolfram Sang, Laurent Pinchart, Andrzej Hajda, Samuel Holland,
	Russell King, Jernej Skrabec, linux-rockchip, Chen-Yu Tsai,
	Philipp Zabel, linux-sunxi, Chun-Kuang Hu, Daniel Vetter,
	Jonas Karlman, intel-gfx, Maxime Ripard, linux-mediatek,
	Rodrigo Vivi, Matthias Brugger, Evan Quan, linux-arm-kernel,
	amd-gfx, Pan, Xinhui, Sandy Huang, Robert Foss, Thomas Zimmermann,
	Alex Deucher, Christian König

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 drivers/gpu/drm/amd/amdgpu/atom.c                   | 2 +-
 drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c      | 2 +-
 drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c | 6 +++---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c           | 2 +-
 drivers/gpu/drm/display/drm_dp_helper.c             | 2 +-
 drivers/gpu/drm/display/drm_dp_mst_topology.c       | 2 +-
 drivers/gpu/drm/drm_mipi_dsi.c                      | 2 +-
 drivers/gpu/drm/i2c/tda998x_drv.c                   | 2 +-
 drivers/gpu/drm/i915/selftests/i915_perf.c          | 2 +-
 drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c             | 2 +-
 drivers/gpu/drm/radeon/radeon_atombios.c            | 4 ++--
 drivers/gpu/drm/radeon/radeon_combios.c             | 4 ++--
 drivers/gpu/drm/rockchip/inno_hdmi.c                | 2 +-
 drivers/gpu/drm/rockchip/rk3066_hdmi.c              | 2 +-
 drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c              | 2 +-
 15 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 1c5d9388ad0b..5f610e9a5f0f 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -1509,7 +1509,7 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
 	str = CSTR(idx);
 	if (*str != '\0') {
 		pr_info("ATOM BIOS: %s\n", str);
-		strlcpy(ctx->vbios_version, str, sizeof(ctx->vbios_version));
+		strscpy(ctx->vbios_version, str, sizeof(ctx->vbios_version));
 	}
 
 	atom_rom_header = (struct _ATOM_ROM_HEADER *)CSTR(base);
diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c
index d3fe149d8476..81fb4e5dd804 100644
--- a/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c
+++ b/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c
@@ -794,7 +794,7 @@ void amdgpu_add_thermal_controller(struct amdgpu_device *adev)
 				struct i2c_board_info info = { };
 				const char *name = pp_lib_thermal_controller_names[controller->ucType];
 				info.addr = controller->ucI2cAddress >> 1;
-				strlcpy(info.type, name, sizeof(info.type));
+				strscpy(info.type, name, sizeof(info.type));
 				i2c_new_client_device(&adev->pm.i2c_bus->adapter, &info);
 			}
 		} else {
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
index 7d2ed0ed2fe2..4efb62bcdb63 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
@@ -542,8 +542,8 @@ static int snd_dw_hdmi_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
-	strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver));
-	strlcpy(card->shortname, "DW-HDMI", sizeof(card->shortname));
+	strscpy(card->driver, DRIVER_NAME, sizeof(card->driver));
+	strscpy(card->shortname, "DW-HDMI", sizeof(card->shortname));
 	snprintf(card->longname, sizeof(card->longname),
 		 "%s rev 0x%02x, irq %d", card->shortname, revision,
 		 data->irq);
@@ -561,7 +561,7 @@ static int snd_dw_hdmi_probe(struct platform_device *pdev)
 
 	dw->pcm = pcm;
 	pcm->private_data = dw;
-	strlcpy(pcm->name, DRIVER_NAME, sizeof(pcm->name));
+	strscpy(pcm->name, DRIVER_NAME, sizeof(pcm->name));
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_dw_hdmi_ops);
 
 	/*
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 25a60eb4d67c..4f3ae976e677 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -533,7 +533,7 @@ static struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi)
 	adap->owner = THIS_MODULE;
 	adap->dev.parent = hdmi->dev;
 	adap->algo = &dw_hdmi_algorithm;
-	strlcpy(adap->name, "DesignWare HDMI", sizeof(adap->name));
+	strscpy(adap->name, "DesignWare HDMI", sizeof(adap->name));
 	i2c_set_adapdata(adap, hdmi);
 
 	ret = i2c_add_adapter(adap);
diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
index e5bab236b3ae..10a39b36a661 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -2058,7 +2058,7 @@ int drm_dp_aux_register(struct drm_dp_aux *aux)
 	aux->ddc.owner = THIS_MODULE;
 	aux->ddc.dev.parent = aux->dev;
 
-	strlcpy(aux->ddc.name, aux->name ? aux->name : dev_name(aux->dev),
+	strscpy(aux->ddc.name, aux->name ? aux->name : dev_name(aux->dev),
 		sizeof(aux->ddc.name));
 
 	ret = drm_dp_aux_register_devnode(aux);
diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c
index 57e65423e50d..6bdf39937054 100644
--- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
@@ -5780,7 +5780,7 @@ static int drm_dp_mst_register_i2c_bus(struct drm_dp_mst_port *port)
 	aux->ddc.dev.parent = parent_dev;
 	aux->ddc.dev.of_node = parent_dev->of_node;
 
-	strlcpy(aux->ddc.name, aux->name ? aux->name : dev_name(parent_dev),
+	strscpy(aux->ddc.name, aux->name ? aux->name : dev_name(parent_dev),
 		sizeof(aux->ddc.name));
 
 	return i2c_add_adapter(&aux->ddc);
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index c40bde96cfdf..9820b85a34c7 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -223,7 +223,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host,
 
 	dsi->dev.of_node = info->node;
 	dsi->channel = info->channel;
-	strlcpy(dsi->name, info->type, sizeof(dsi->name));
+	strscpy(dsi->name, info->type, sizeof(dsi->name));
 
 	ret = mipi_dsi_device_add(dsi);
 	if (ret) {
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index f8eb6f69be05..d49f0bd8d02c 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1949,7 +1949,7 @@ static int tda998x_create(struct device *dev)
 	 * offset.
 	 */
 	memset(&cec_info, 0, sizeof(cec_info));
-	strlcpy(cec_info.type, "tda9950", sizeof(cec_info.type));
+	strscpy(cec_info.type, "tda9950", sizeof(cec_info.type));
 	cec_info.addr = priv->cec_addr;
 	cec_info.platform_data = &priv->cec_glue;
 	cec_info.irq = client->irq;
diff --git a/drivers/gpu/drm/i915/selftests/i915_perf.c b/drivers/gpu/drm/i915/selftests/i915_perf.c
index 88db2e3d81d0..8f5285654d7a 100644
--- a/drivers/gpu/drm/i915/selftests/i915_perf.c
+++ b/drivers/gpu/drm/i915/selftests/i915_perf.c
@@ -28,7 +28,7 @@ alloc_empty_config(struct i915_perf *perf)
 	oa_config->perf = perf;
 	kref_init(&oa_config->ref);
 
-	strlcpy(oa_config->uuid, TEST_OA_CONFIG_UUID, sizeof(oa_config->uuid));
+	strscpy(oa_config->uuid, TEST_OA_CONFIG_UUID, sizeof(oa_config->uuid));
 
 	mutex_lock(&perf->metrics_lock);
 
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c b/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c
index 6207eac88550..19541d197047 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c
@@ -292,7 +292,7 @@ static int mtk_hdmi_ddc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	strlcpy(ddc->adap.name, "mediatek-hdmi-ddc", sizeof(ddc->adap.name));
+	strscpy(ddc->adap.name, "mediatek-hdmi-ddc", sizeof(ddc->adap.name));
 	ddc->adap.owner = THIS_MODULE;
 	ddc->adap.class = I2C_CLASS_DDC;
 	ddc->adap.algo = &mtk_hdmi_ddc_algorithm;
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 28c4413f4dc8..62fbbd6181bc 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2104,7 +2104,7 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
 			const char *name = thermal_controller_names[power_info->info.
 								    ucOverdriveThermalController];
 			info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
-			strlcpy(info.type, name, sizeof(info.type));
+			strscpy(info.type, name, sizeof(info.type));
 			i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
 		}
 	}
@@ -2354,7 +2354,7 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r
 				struct i2c_board_info info = { };
 				const char *name = pp_lib_thermal_controller_names[controller->ucType];
 				info.addr = controller->ucI2cAddress >> 1;
-				strlcpy(info.type, name, sizeof(info.type));
+				strscpy(info.type, name, sizeof(info.type));
 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
 			}
 		} else {
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 783a6b8802d5..795c3667f6d6 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2702,7 +2702,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 				struct i2c_board_info info = { };
 				const char *name = thermal_controller_names[thermal_controller];
 				info.addr = i2c_addr >> 1;
-				strlcpy(info.type, name, sizeof(info.type));
+				strscpy(info.type, name, sizeof(info.type));
 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
 			}
 		}
@@ -2719,7 +2719,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 				struct i2c_board_info info = { };
 				const char *name = "f75375";
 				info.addr = 0x28;
-				strlcpy(info.type, name, sizeof(info.type));
+				strscpy(info.type, name, sizeof(info.type));
 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
 					 name, info.addr);
diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 87b2243ea23e..98ed6cc931d0 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -797,7 +797,7 @@ static struct i2c_adapter *inno_hdmi_i2c_adapter(struct inno_hdmi *hdmi)
 	adap->dev.parent = hdmi->dev;
 	adap->dev.of_node = hdmi->dev->of_node;
 	adap->algo = &inno_hdmi_algorithm;
-	strlcpy(adap->name, "Inno HDMI", sizeof(adap->name));
+	strscpy(adap->name, "Inno HDMI", sizeof(adap->name));
 	i2c_set_adapdata(adap, hdmi);
 
 	ret = i2c_add_adapter(adap);
diff --git a/drivers/gpu/drm/rockchip/rk3066_hdmi.c b/drivers/gpu/drm/rockchip/rk3066_hdmi.c
index cf2cf51091a3..bf2924730d84 100644
--- a/drivers/gpu/drm/rockchip/rk3066_hdmi.c
+++ b/drivers/gpu/drm/rockchip/rk3066_hdmi.c
@@ -730,7 +730,7 @@ static struct i2c_adapter *rk3066_hdmi_i2c_adapter(struct rk3066_hdmi *hdmi)
 	adap->dev.parent = hdmi->dev;
 	adap->dev.of_node = hdmi->dev->of_node;
 	adap->algo = &rk3066_hdmi_algorithm;
-	strlcpy(adap->name, "RK3066 HDMI", sizeof(adap->name));
+	strscpy(adap->name, "RK3066 HDMI", sizeof(adap->name));
 	i2c_set_adapdata(adap, hdmi);
 
 	ret = i2c_add_adapter(adap);
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
index c7d7e9fff91c..d1a65a921f5a 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
@@ -304,7 +304,7 @@ int sun4i_hdmi_i2c_create(struct device *dev, struct sun4i_hdmi *hdmi)
 	adap->owner = THIS_MODULE;
 	adap->class = I2C_CLASS_DDC;
 	adap->algo = &sun4i_hdmi_i2c_algorithm;
-	strlcpy(adap->name, "sun4i_hdmi_i2c adapter", sizeof(adap->name));
+	strscpy(adap->name, "sun4i_hdmi_i2c adapter", sizeof(adap->name));
 	i2c_set_adapdata(adap, hdmi);
 
 	ret = i2c_add_adapter(adap);
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2022-08-29 13:04 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-08-18 21:00 [Intel-gfx] [PATCH] gpu: move from strlcpy with unused retval to strscpy Wolfram Sang
2022-08-18 22:05 ` Laurent Pinchart
2022-08-19 13:15 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for " Patchwork
2022-08-25 21:27 ` [Intel-gfx] [PATCH] " Jernej Škrabec

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox