Re: [PATCH] drm/amd/amdgpu: Fix an uninitialized variable

[Christian König]

Am 09.01.23 um 09:29 schrieb Srinivasan Shanmugam:
   CC      drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.o
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:217:71: error: variable 'i' is 
uninitialized when used here [-Werror,-Wuninitialized]
                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s%d.bin", 
ucode_prefix, i);
                                                                                
     ^
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:207:16: note: initialize the variable 
'i' to silence this warning
         int err = 0, i;
                       ^
                        = 0
Initialize the variable 'i'.

Big NAK to this. As far as I can see this just silences the compiler 
warning, but doesn't fix the underlying bug.

Please initialize the variable where it is necessary.

Regards,
Christian.


Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmu...@amd.com>
---
  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 0e1e2521fe25a..64f2b855a378a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
@@ -204,7 +204,7 @@ int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
  {
        struct amdgpu_firmware_info *info = NULL;
        const struct common_firmware_header *header = NULL;
-       int err = 0, i;
+       int err = 0, i = 0;
        const struct sdma_firmware_header_v2_0 *sdma_hdr;
        uint16_t version_major;
        char ucode_prefix[30];