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drm/amdgpu/debugfs: fix error code when smc register accessors are NULL

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[ Upstream commit afe58346d5d3887b3e49ff623d2f2e471f232a8d ]

Should be -EOPNOTSUPP.

Fixes: 5104fdf50d32 ("drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alex Deucher 2023-11-27 17:26:29 -05:00 • committed by Greg Kroah-Hartman
parent 3ec6ce0651
commit 591e77fedc
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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@ -596,7 +596,7 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
int r;
if (!adev->smc_rreg)
return -EPERM;
return -EOPNOTSUPP;
if (size & 0x3 || *pos & 0x3)
return -EINVAL;
@ -655,7 +655,7 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *
int r;
if (!adev->smc_wreg)
return -EPERM;
return -EOPNOTSUPP;
if (size & 0x3 || *pos & 0x3)
return -EINVAL;