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frv: avoid infinite loop of SIGSEGV delivery

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Use force_sigsegv() rather than force_sig(SIGSEGV, ...) as the former
resets the SEGV handler pointer which will kill the process, rather than
leaving it open to an infinite loop if the SEGV handler itself caused a
SEGV signal.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro 2010-09-20 15:13:14 +01:00 committed by Linus Torvalds
parent 5f4ad04a1e
commit ad0acab455
1 changed files with 2 additions and 2 deletions
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4
arch/frv/kernel/signal.c
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@ -329,7 +329,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
return 0;
give_sigsegv:
force_sig(SIGSEGV, current);
force_sigsegv(sig, current);
return -EFAULT;
} /* end setup_frame() */
@ -431,7 +431,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
return 0;
give_sigsegv:
force_sig(SIGSEGV, current);
force_sigsegv(sig, current);
return -EFAULT;
} /* end setup_rt_frame() */