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 diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
  28 index 5cf04888c581..3e26c6f7a191 100644
  29 --- a/arch/arm/kernel/traps.c
  30 +++ b/arch/arm/kernel/traps.c
  31 @@ -793,7 +793,6 @@ void abort(void)
  32         /* if that doesn't kill us, halt */
  33         panic("Oops failed to kill thread");
  34  }
  35 -EXPORT_SYMBOL(abort);
  36
  37  void __init trap_init(void)
  38  {
  39 diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
  40 index cb79fba79d43..b88a8dd14933 100644
  41 --- a/arch/m32r/kernel/traps.c
  42 +++ b/arch/m32r/kernel/traps.c
  43 @@ -122,7 +122,6 @@ void abort(void)
  44         /* if that doesn't kill us, halt */
  45         panic("Oops failed to kill thread");
  46  }
  47 -EXPORT_SYMBOL(abort);
  48
  49  void __init trap_init(void)
  50  {
  51 diff --git a/arch/unicore32/kernel/traps.c b/arch/unicore32/kernel/traps.c
  52 index 5f25b39f04d4..c4ac6043ebb0 100644
  53 --- a/arch/unicore32/kernel/traps.c
  54 +++ b/arch/unicore32/kernel/traps.c
  55 @@ -298,7 +298,6 @@ void abort(void)
  56         /* if that doesn't kill us, halt */
  57         panic("Oops failed to kill thread");
  58  }
  59 -EXPORT_SYMBOL(abort);
  60
  61  void __init trap_init(void)
  62  {
  63 diff --git a/kernel/exit.c b/kernel/exit.c
  64 index df0c91d5606c..995453d9fb55 100644
  65 --- a/kernel/exit.c
  66 +++ b/kernel/exit.c
  67 @@ -1763,3 +1763,4 @@ __weak void abort(void)
  68         /* if that doesn't kill us, halt */
  69         panic("Oops failed to kill thread");
  70  }
  71 +EXPORT_SYMBOL(abort);
  72 --
  73 2.11.0
  74