Commit 888e32d7 authored Jun 17, 2020 by Chen Tao Committed by Alex Deucher Jul 01, 2020

drm/amdgpu/debugfs: fix memory leak when amdgpu_virt_enable_access_debugfs failed



Fix memory leak in amdgpu_debugfs_gpr_read not freeing data when
amdgpu_virt_enable_access_debugfs failed.

Fixes: 95a2f917 ("drm/amdgpu: restrict debugfs register access under SR-IOV")
Signed-off-by: Chen Tao <chentao107@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 3e4aeff3

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -941,7 +941,7 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file f, char __user buf,

		r = amdgpu_virt_enable_access_debugfs(adev);
		if (r < 0)
		return r;
		goto err;

		/* switch to the specific se/sh/cu */
		mutex_lock(&adev->grbm_idx_mutex);

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