[PATCH 19/20] drm/amd/amdgpu/amdgpu_sdma: Increase buffer size to account for all possible values

From: Lee Jones
Date: Thu Aug 24 2023 - 03:39:18 EST


Fixes the following W=1 kernel build warning(s):

drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c: In function ‘amdgpu_sdma_init_microcode’:
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:217:64: warning: ‘.bin’ directive output may be truncated writing 4 bytes into a region of size between 0 and 32 [-Wformat-truncation=]
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:217:17: note: ‘snprintf’ output between 13 and 52 bytes into a destination of size 40
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:215:66: warning: ‘snprintf’ output may be truncated before the last format character [-Wformat-truncation=]
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:215:17: note: ‘snprintf’ output between 12 and 41 bytes into a destination of size 40

Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
---
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Cc: "Pan, Xinhui" <Xinhui.Pan@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
index e2b9392d7f0de..572f861e3f706 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
@@ -208,7 +208,7 @@ int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
const struct sdma_firmware_header_v2_0 *sdma_hdr;
uint16_t version_major;
char ucode_prefix[30];
- char fw_name[40];
+ char fw_name[52];

amdgpu_ucode_ip_version_decode(adev, SDMA0_HWIP, ucode_prefix, sizeof(ucode_prefix));
if (instance == 0)
--
2.42.0.rc1.204.g551eb34607-goog