From c1cfaa7563f8e8c9f3f9073460b21d47f9a1c800 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 25 Apr 2020 13:13:48 -0400
Subject: i915:get_engines(): get rid of pointless access_ok()
Git-commit: 7b3f0c4c56b08a86f890cad3599242c78c683aa9
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/gem/i915_gem_context.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index f5d59d18cd5b..30c229fcb404 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -1921,11 +1921,6 @@ get_engines(struct i915_gem_context *ctx,
}
user = u64_to_user_ptr(args->value);
- if (!access_ok(user, size)) {
- err = -EFAULT;
- goto err_free;
- }
-
if (put_user(0, &user->extensions)) {
err = -EFAULT;
goto err_free;
--
2.28.0