lkml.org 
[lkml]   [2020]   [May]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 4/5] i915: alloc_oa_regs(): get rid of pointless access_ok()
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
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 551be589d6f4..a52461016935 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -3949,9 +3949,6 @@ 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)
--
2.11.0
\
 
 \ /
  Last update: 2020-05-29 02:42    [W:0.341 / U:4.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site