Commit 8ee1fb4c authored Nov 27, 2023 by Alex Deucher Committed by Greg Kroah-Hartman Jan 25, 2024

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



[ 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>

parent 68ec0a02

drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -393,7 +393,7 @@ 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;
		@@ -435,7 +435,7 @@ 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;