From b644efde69131fa64607e821054a7a7d1cb88c92 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 23 Apr 2020 14:32:45 -0400
Subject: i915: alloc_oa_regs(): get rid of pointless access_ok()
Git-commit: 598caf1a4032bd52040a57739342a0a97eace757
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/i915_perf.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index f35712d04ba4..2d09b82234bd 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -3897,9 +3897,6 @@ static struct i915_oa_reg *alloc_oa_regs(struct i915_perf *perf,
if (!n_regs)
return NULL;
- if (!access_ok(regs, n_regs * sizeof(u32) * 2))
- return ERR_PTR(-EFAULT);
-
/* No is_valid function means we're not allowing any register to be programmed. */
GEM_BUG_ON(!is_valid);
if (!is_valid)
--
2.28.0