Patch "drm/amdgpu: fix the warning about the expression (int)size - len" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/amdgpu: fix the warning about the expression (int)size - len

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amdgpu-fix-the-warning-about-the-expression-int-.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 0d2a07bbac724373f81ab781814b5c4547aed45a
Author: Jesse Zhang <jesse.zhang@xxxxxxx>
Date:   Thu Apr 25 15:16:40 2024 +0800

    drm/amdgpu: fix the warning about the expression (int)size - len
    
    [ Upstream commit ea686fef5489ef7a2450a9fdbcc732b837fb46a8 ]
    
    Converting size from size_t to int may overflow.
    v2: keep reverse xmas tree order (Christian)
    
    Signed-off-by: Jesse Zhang <jesse.zhang@xxxxxxx>
    Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
    Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 418ff7cd662da..1c2c9ff9d39df 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -2052,12 +2052,13 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f,
 	struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
 	char reg_offset[11];
 	uint32_t *new = NULL, *tmp = NULL;
-	int ret, i = 0, len = 0;
+	unsigned int len = 0;
+	int ret, i = 0;
 
 	do {
 		memset(reg_offset, 0, 11);
 		if (copy_from_user(reg_offset, buf + len,
-					min(10, ((int)size-len)))) {
+					min(10, (size-len)))) {
 			ret = -EFAULT;
 			goto error_free;
 		}




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