kernel/exit.c: export abort() to modules

commit dc8635b78cd8669c37e230058d18c33af7451ab1 upstream.

gcc -fisolate-erroneous-paths-dereference can generate calls to abort()
from modular code too.

[arnd@arndb.de: drop duplicate exports of abort()]
Link: http://lkml.kernel.org/r/20180102103311.706364-1-arnd@arndb.de
Reported-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 0fcd82f013883c58229aa8647d50047af010dde2..b8dc3b516f937fc2203ae5500a3df861a9bfdc15 100644 (file)
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -790,7 +790,6 @@ void abort(void)
        /* if that doesn't kill us, halt */
        panic("Oops failed to kill thread");
 }
-EXPORT_SYMBOL(abort);
 
 void __init trap_init(void)
 {

diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index cb79fba79d4391dbe07cd517309f77cbc5b05506..b88a8dd149333d0a0227c28762ca904fbe268ed2 100644 (file)
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -122,7 +122,6 @@ void abort(void)
        /* if that doesn't kill us, halt */
        panic("Oops failed to kill thread");
 }
-EXPORT_SYMBOL(abort);
 
 void __init trap_init(void)
 {

diff --git a/arch/unicore32/kernel/traps.c b/arch/unicore32/kernel/traps.c
index 5f25b39f04d4305dbec925a85dd43a4ed421386d..c4ac6043ebb0fc44e7016d6124ce7ce780adabd3 100644 (file)
--- a/arch/unicore32/kernel/traps.c
+++ b/arch/unicore32/kernel/traps.c
@@ -298,7 +298,6 @@ void abort(void)
        /* if that doesn't kill us, halt */
        panic("Oops failed to kill thread");
 }
-EXPORT_SYMBOL(abort);
 
 void __init trap_init(void)
 {

diff --git a/kernel/exit.c b/kernel/exit.c
index 5a0c4791473c3cb7a5135ea2c3ea3c39afd95b38..e3a08761eb4074216ecd29e98a2973023c62db1b 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1763,3 +1763,4 @@ __weak void abort(void)
        /* if that doesn't kill us, halt */
        panic("Oops failed to kill thread");
 }
+EXPORT_SYMBOL(abort);