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authorOleg Nesterov <oleg@redhat.com>2009-12-18 17:43:24 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2009-12-18 17:43:32 +0100
commitca633fd006486ed2c2d3b542283067aab61e6dc8 (patch)
tree71ba9fbcf841f5a565185338ef677d6fb8cd89c8 /arch/s390
parentd302e1a5dbe1677a495033a2d310656a55139cdf (diff)
[S390] ptrace: dont abuse PT_PTRACED
Nobody except ptrace itself should use task->ptrace or PT_PTRACED directly, change arch/s390/kernel/traps.c to use the helper. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kernel/traps.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index c2e42cc65ce..6e7ad63854c 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -18,7 +18,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
-#include <linux/ptrace.h>
+#include <linux/tracehook.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/smp.h>
@@ -382,7 +382,7 @@ void __kprobes do_single_step(struct pt_regs *regs)
SIGTRAP) == NOTIFY_STOP){
return;
}
- if ((current->ptrace & PT_PTRACED) != 0)
+ if (tracehook_consider_fatal_signal(current, SIGTRAP))
force_sig(SIGTRAP, current);
}
@@ -483,7 +483,7 @@ static void illegal_op(struct pt_regs * regs, long interruption_code)
if (get_user(*((__u16 *) opcode), (__u16 __user *) location))
return;
if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) {
- if (current->ptrace & PT_PTRACED)
+ if (tracehook_consider_fatal_signal(current, SIGTRAP))
force_sig(SIGTRAP, current);
else
signal = SIGILL;