From 4587f1482eeb54fb0c7f2092da0440d3912c939c Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 11 Jun 2021 21:15:08 +0200
Subject: drm/i915/eb: Replace user_access_begin by user_write_access_begin
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Similar to

commit b44f687386875b714dae2afa768e73401e45c21c
Author: Christophe Leroy <christophe.leroy@c-s.fr>
Date:   Fri Apr 3 07:20:52 2020 +0000

    drm/i915/gem: Replace user_access_begin by user_write_access_begin

We only do unsafe_put_user, so no read access needed.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Kees Cook <keescook@chromium.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
---
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index bc6b5eec3f31..3753b9661f32 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -1709,14 +1709,14 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb)
 		 * happened we would make the mistake of assuming that the
 		 * relocations were valid.
 		 */
-		if (!user_access_begin(urelocs, size))
+		if (!user_write_access_begin(urelocs, size))
 			goto end;
 
 		for (copied = 0; copied < nreloc; copied++)
 			unsafe_put_user(-1,
 					&urelocs[copied].presumed_offset,
 					end_user);
-		user_access_end();
+		user_write_access_end();
 
 		eb->exec[i].relocs_ptr = (uintptr_t)relocs;
 	}
-- 
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