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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2006-05-01 12:16:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-05-01 18:17:46 -0700 |
| commit | b44df334a7e909d88cf5c54cc0481b4e2eaeca23 (patch) | |
| tree | 17654870a23ee053fe4edc908c452d32968ff1a9 /arch/s390 | |
| parent | 022e4fc0fb2e4e179aaba4ee139dcb8fded0cba2 (diff) | |
| download | linux-stable-b44df334a7e909d88cf5c54cc0481b4e2eaeca23.tar.gz linux-stable-b44df334a7e909d88cf5c54cc0481b4e2eaeca23.tar.bz2 linux-stable-b44df334a7e909d88cf5c54cc0481b4e2eaeca23.zip | |
[PATCH] s390: bug in setup_rt_frame
Consider return value of __put_user() when setting up a signal frame
instead of ignoring it.
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/signal.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index ae1927e48cfb..d48cfc726b68 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -358,8 +358,9 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, } 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_rt_sigreturn, + (u16 __user *)(frame->retcode))) + goto give_sigsegv; } /* Set up backchain. */ |