Update v5.4 patches
Changes: - SAM: - Clean up code - Misc: - Revert erroneous efivarfs change in v5.4.80 Links: - SAM:b97b5d8f9e
- kernel:5b70fe65fa
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From fc087560fc5b64ebbaa9cff0436ac7101ae615ee Mon Sep 17 00:00:00 2001
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From 3c16a4327878964046179df41a798d32475447ad Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jonas=20Dre=C3=9Fler?= <verdre@v0yd.nl>
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Date: Thu, 5 Nov 2020 13:09:45 +0100
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Subject: [PATCH] hid/multitouch: Turn off Type Cover keyboard backlight when
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@ -0,0 +1,37 @@
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From 46e81109fdc3bf5e042564437ea7b84801d8f92b Mon Sep 17 00:00:00 2001
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From: Ard Biesheuvel <ardb@kernel.org>
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Date: Wed, 25 Nov 2020 08:53:03 +0100
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Subject: [PATCH] efivarfs: revert "fix memory leak in efivarfs_create()"
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The memory leak addressed by commit fe5186cf12e3 is a false positive:
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all allocations are recorded in a linked list, and freed when the
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filesystem is unmounted. This leads to double frees, and as reported
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by David, leads to crashes if SLUB is configured to self destruct when
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double frees occur.
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So drop the redundant kfree() again, and instead, mark the offending
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pointer variable so the allocation is ignored by kmemleak.
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Cc: Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@gmail.com>
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Fixes: fe5186cf12e3 ("efivarfs: fix memory leak in efivarfs_create()")
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Reported-by: David Laight <David.Laight@aculab.com>
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Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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---
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fs/efivarfs/super.c | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
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index edcd6769a94b..9760a52800b4 100644
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--- a/fs/efivarfs/super.c
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+++ b/fs/efivarfs/super.c
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@@ -21,7 +21,6 @@ LIST_HEAD(efivarfs_list);
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static void efivarfs_evict_inode(struct inode *inode)
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{
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clear_inode(inode);
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- kfree(inode->i_private);
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}
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static const struct super_operations efivarfs_ops = {
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--
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2.29.2
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