The patch titled
Subject: mm/gup_test: fix ioctl fail for compat task
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
mm-gup_test-fix-ioctl-fail-for-compat-task.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-gup_test-fix-ioctl-fail-for-compat-task.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Haibo Li <haibo.li@xxxxxxxxxxxx>
Subject: mm/gup_test: fix ioctl fail for compat task
Date: Fri, 26 May 2023 10:21:25 +0800
When tools/testing/selftests/mm/gup_test.c is compiled as 32bit, then run
on arm64 kernel, it reports "ioctl: Inappropriate ioctl for device".
Fix it by filling compat_ioctl in gup_test_fops
Link: https://lkml.kernel.org/r/20230526022125.175728-1-haibo.li@xxxxxxxxxxxx
Signed-off-by: Haibo Li <haibo.li@xxxxxxxxxxxx>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/gup_test.c | 1 +
1 file changed, 1 insertion(+)
--- a/mm/gup_test.c~mm-gup_test-fix-ioctl-fail-for-compat-task
+++ a/mm/gup_test.c
@@ -381,6 +381,7 @@ static int gup_test_release(struct inode
static const struct file_operations gup_test_fops = {
.open = nonseekable_open,
.unlocked_ioctl = gup_test_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.release = gup_test_release,
};
_
Patches currently in -mm which might be from haibo.li@xxxxxxxxxxxx are
mm-gup_test-fix-ioctl-fail-for-compat-task.patch
