From: Heiko Carstens <[email protected]>
[patch 3/13] s390: bug in setup_rt_frame.
Consider return value of __put_user() when setting up a signal
frame instead of ignoring it.
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
---
arch/s390/kernel/signal.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff -urpN linux-2.6/arch/s390/kernel/signal.c linux-2.6-patched/arch/s390/kernel/signal.c
--- linux-2.6/arch/s390/kernel/signal.c 2006-03-20 06:53:29.000000000 +0100
+++ linux-2.6-patched/arch/s390/kernel/signal.c 2006-04-24 16:47:20.000000000 +0200
@@ -358,8 +358,9 @@ static int setup_rt_frame(int sig, struc
} else {
regs->gprs[14] = (unsigned long)
frame->retcode | PSW_ADDR_AMODE;
- err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
- (u16 __user *)(frame->retcode));
+ if (__put_user(S390_SYSCALL_OPCODE | __NR_sigreturn,
+ (u16 __user *)(frame->retcode)))
+ goto give_sigsegv;
}
/* Set up backchain. */
-
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