From 6d3905f3e8e02ceda20b8bd1141bdf7d24a7aa96 Mon Sep 17 00:00:00 2001 From: jsg Date: Mon, 9 Sep 2024 09:14:09 +0000 Subject: [PATCH] drm/amdgpu: Fix the uninitialized variable warning 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 | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_securedisplay.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_securedisplay.c index 8ed0e073656..41ebe690eef 100644 --- 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); -- 2.20.1