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| author | Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> | 2024-03-20 14:13:54 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-22 15:55:01 -0400 |
| commit | 7c2bc34ab926447f1b329a57669adfce76eafc3c (patch) | |
| tree | abfe9a1a653b170a1d461d2601723fc3ab165f71 | |
| parent | 8b3495eafb4ddd4e1963834ce9a56c729128d62e (diff) | |
| download | linux-7c2bc34ab926447f1b329a57669adfce76eafc3c.tar.gz linux-7c2bc34ab926447f1b329a57669adfce76eafc3c.tar.bz2 linux-7c2bc34ab926447f1b329a57669adfce76eafc3c.zip | |
drm/amdgpu: Fix format character cut-off issues in amdgpu_vcn_early_init()
Reducing the size of ucode_prefix to 25 in the amdgpu_vcn_early_init
function. This would ensure that the total number of characters being
written into fw_name does not exceed its size of 40.
Fixes the below with gcc W=1:
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c: In function ‘amdgpu_vcn_early_init’:
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c:102:66: warning: ‘snprintf’ output may be truncated before the last format character [-Wformat-truncation=]
102 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
| ^
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c:102:17: note: ‘snprintf’ output between 12 and 41 bytes into a destination of size 40
102 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c:102:66: warning: ‘snprintf’ output may be truncated before the last format character [-Wformat-truncation=]
102 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
| ^
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c:102:17: note: ‘snprintf’ output between 12 and 41 bytes into a destination of size 40
102 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c:105:73: warning: ‘.bin’ directive output may be truncated writing 4 bytes into a region of size between 2 and 31 [-Wformat-truncation=]
105 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_%d.bin", ucode_prefix, i);
| ^~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c:105:25: note: ‘snprintf’ output between 14 and 43 bytes into a destination of size 40
105 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_%d.bin", ucode_prefix, i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Suggested-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 9c514a606a2f..bb85772b1374 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -93,7 +93,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work); int amdgpu_vcn_early_init(struct amdgpu_device *adev) { - char ucode_prefix[30]; + char ucode_prefix[25]; char fw_name[40]; int r, i; |