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drm/amdgpu: Fix the uninitialized variable warning
author
jsg
<jsg@openbsd.org>
Mon, 9 Sep 2024 09:14:09 +0000
(09:14 +0000)
committer
jsg
<jsg@openbsd.org>
Mon, 9 Sep 2024 09:14:09 +0000
(09:14 +0000)
From Ma Jun
f71ef2bb69dde228e0788e8e309d3d9d73f458c3
in linux-6.6.y/6.6.50
7e39d7ec35883a168343ea02f40e260e176c6c63
in mainline linux
sys/dev/pci/drm/amd/amdgpu/amdgpu_securedisplay.c
patch
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diff --git
a/sys/dev/pci/drm/amd/amdgpu/amdgpu_securedisplay.c
b/sys/dev/pci/drm/amd/amdgpu/amdgpu_securedisplay.c
index
8ed0e07
..
41ebe69
100644
(file)
--- a/
sys/dev/pci/drm/amd/amdgpu/amdgpu_securedisplay.c
+++ b/
sys/dev/pci/drm/amd/amdgpu/amdgpu_securedisplay.c
@@
-135,6
+135,10
@@
static ssize_t amdgpu_securedisplay_debugfs_write(struct file *f, const char __u
mutex_unlock(&psp->securedisplay_context.mutex);
break;
case 2:
+ if (size < 3 || phy_id >= TA_SECUREDISPLAY_MAX_PHY) {
+ dev_err(adev->dev, "Invalid input: %s\n", str);
+ return -EINVAL;
+ }
mutex_lock(&psp->securedisplay_context.mutex);
psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd,
TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC);