target/linux/generic/backport-4.14/081-v4.15-0002-kernel-exit.c-export-abort-to-modules.patch

   1 From dc8635b78cd8669c37e230058d18c33af7451ab1 Mon Sep 17 00:00:00 2001
   2 From: Andrew Morton <akpm@linux-foundation.org>
   3 Date: Thu, 4 Jan 2018 16:17:56 -0800
   4 Subject: [PATCH] kernel/exit.c: export abort() to modules
   5
   6 gcc -fisolate-erroneous-paths-dereference can generate calls to abort()
   7 from modular code too.
   8
   9 [arnd@arndb.de: drop duplicate exports of abort()]
  10   Link: http://lkml.kernel.org/r/20180102103311.706364-1-arnd@arndb.de
  11 Reported-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
  12 Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
  13 Cc: Arnd Bergmann <arnd@arndb.de>
  14 Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
  15 Cc: Russell King <rmk+kernel@armlinux.org.uk>
  16 Cc: Jose Abreu <Jose.Abreu@synopsys.com>
  17 Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
  18 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
  19 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  20 ---
  21  arch/arm/kernel/traps.c       | 1 -
  22  arch/m32r/kernel/traps.c      | 1 -
  23  arch/unicore32/kernel/traps.c | 1 -
  24  kernel/exit.c                 | 1 +
  25  4 files changed, 1 insertion(+), 3 deletions(-)
  26
  27 --- a/arch/arm/kernel/traps.c
  28 +++ b/arch/arm/kernel/traps.c
  29 @@ -790,7 +790,6 @@ void abort(void)
  30         /* if that doesn't kill us, halt */
  31         panic("Oops failed to kill thread");
  32  }
  33 -EXPORT_SYMBOL(abort);
  34
  35  void __init trap_init(void)
  36  {
  37 --- a/arch/m32r/kernel/traps.c
  38 +++ b/arch/m32r/kernel/traps.c
  39 @@ -122,7 +122,6 @@ void abort(void)
  40         /* if that doesn't kill us, halt */
  41         panic("Oops failed to kill thread");
  42  }
  43 -EXPORT_SYMBOL(abort);
  44
  45  void __init trap_init(void)
  46  {
  47 --- a/arch/unicore32/kernel/traps.c
  48 +++ b/arch/unicore32/kernel/traps.c
  49 @@ -298,7 +298,6 @@ void abort(void)
  50         /* if that doesn't kill us, halt */
  51         panic("Oops failed to kill thread");
  52  }
  53 -EXPORT_SYMBOL(abort);
  54
  55  void __init trap_init(void)
  56  {
  57 --- a/kernel/exit.c
  58 +++ b/kernel/exit.c
  59 @@ -1763,3 +1763,4 @@ __weak void abort(void)
  60         /* if that doesn't kill us, halt */
  61         panic("Oops failed to kill thread");
  62  }
  63 +EXPORT_SYMBOL(abort);