[PATCH] drm/amd: Use a constant format string for amdgpu_ucode_request
Arnd Bergmann
arnd at kernel.org
Fri Jul 19 10:08:28 UTC 2024
From: Arnd Bergmann <arnd at arndb.de>
Multiple files in amdgpu call amdgpu_ucode_request() with a fw_name
variable that the compiler cannot check for being a valid format string,
as seen by enabling the (default-disabled) -Wformat-security option:
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c: In function 'amdgpu_mes_init_microcode':
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c:1517:61: error: format not a string literal and no format arguments [-Werror=format-security]
1517 | r = amdgpu_ucode_request(adev, &adev->mes.fw[pipe], fw_name);
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c: In function 'amdgpu_uvd_sw_init':
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:263:9: error: format not a string literal and no format arguments [-Werror=format-security]
263 | r = amdgpu_ucode_request(adev, &adev->uvd.fw, fw_name);
| ^
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c: In function 'amdgpu_vce_sw_init':
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:161:9: error: format not a string literal and no format arguments [-Werror=format-security]
161 | r = amdgpu_ucode_request(adev, &adev->vce.fw, fw_name);
| ^
drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c: In function 'amdgpu_umsch_mm_init_microcode':
drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c:590:9: error: format not a string literal and no format arguments [-Werror=format-security]
590 | r = amdgpu_ucode_request(adev, &adev->umsch_mm.fw, fw_name);
| ^
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c: In function 'amdgpu_cgs_get_firmware_info':
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c:417:72: error: format not a string literal and no format arguments [-Werror=format-security]
417 | err = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'load_dmcu_fw':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:2221:9: error: format not a string literal and no format arguments [-Werror=format-security]
2221 | r = amdgpu_ucode_request(adev, &adev->dm.fw_dmcu, fw_name_dmcu);
| ^
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'dm_init_microcode':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5147:9: error: format not a string literal and no format arguments [-Werror=format-security]
5147 | r = amdgpu_ucode_request(adev, &adev->dm.dmub_fw, fw_name_dmub);
| ^
Change these all to use a "%s" format with the actual name as an argument,
to let the compiler prove this to be correct.
Fixes: e5a7d047f41b ("drm/amd: Use `amdgpu_ucode_*` helpers for CGS")
Fixes: 52215e2a5d4a ("drm/amd: Use `amdgpu_ucode_*` helpers for VCE")
Signed-off-by: Arnd Bergmann <arnd at arndb.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 2 +-
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++--
6 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index c3d89088123d..16153d275d7a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -414,7 +414,7 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
return -EINVAL;
}
- err = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
+ err = amdgpu_ucode_request(adev, &adev->pm.fw, "%s", fw_name);
if (err) {
DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
amdgpu_ucode_release(&adev->pm.fw);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index e499d6ba306b..5d89a9a6f910 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -1514,7 +1514,7 @@ int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe)
pipe == AMDGPU_MES_SCHED_PIPE ? "" : "1");
}
- r = amdgpu_ucode_request(adev, &adev->mes.fw[pipe], fw_name);
+ r = amdgpu_ucode_request(adev, &adev->mes.fw[pipe], "%s", fw_name);
if (r && need_retry && pipe == AMDGPU_MES_SCHED_PIPE) {
dev_info(adev->dev, "try to fall back to %s_mes.bin\n", ucode_prefix);
r = amdgpu_ucode_request(adev, &adev->mes.fw[pipe],
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
index fbc2852278e1..6162582d0aa2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
@@ -587,7 +587,7 @@ int amdgpu_umsch_mm_init_microcode(struct amdgpu_umsch_mm *umsch)
break;
}
- r = amdgpu_ucode_request(adev, &adev->umsch_mm.fw, fw_name);
+ r = amdgpu_ucode_request(adev, &adev->umsch_mm.fw, "%s", fw_name);
if (r) {
release_firmware(adev->umsch_mm.fw);
adev->umsch_mm.fw = NULL;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 07d930339b07..775c09d57222 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -260,7 +260,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
return -EINVAL;
}
- r = amdgpu_ucode_request(adev, &adev->uvd.fw, fw_name);
+ r = amdgpu_ucode_request(adev, &adev->uvd.fw, "%s", fw_name);
if (r) {
dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
fw_name);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 968ca2c84ef7..51b045de409d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -158,7 +158,7 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
return -EINVAL;
}
- r = amdgpu_ucode_request(adev, &adev->vce.fw, fw_name);
+ r = amdgpu_ucode_request(adev, &adev->vce.fw, "%s", fw_name);
if (r) {
dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
fw_name);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 7e7929f24ae4..80b7dc651f6b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2218,7 +2218,7 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
return 0;
}
- r = amdgpu_ucode_request(adev, &adev->dm.fw_dmcu, fw_name_dmcu);
+ r = amdgpu_ucode_request(adev, &adev->dm.fw_dmcu, "%s", fw_name_dmcu);
if (r == -ENODEV) {
/* DMCU firmware is not necessary, so don't raise a fuss if it's missing */
DRM_DEBUG_KMS("dm: DMCU firmware not found\n");
@@ -5144,7 +5144,7 @@ static int dm_init_microcode(struct amdgpu_device *adev)
/* ASIC doesn't support DMUB. */
return 0;
}
- r = amdgpu_ucode_request(adev, &adev->dm.dmub_fw, fw_name_dmub);
+ r = amdgpu_ucode_request(adev, &adev->dm.dmub_fw, "%s", fw_name_dmub);
return r;
}
--
2.39.2
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