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authorAl Viro <viro@zeniv.linux.org.uk>2010-10-14 13:35:05 -0400
committerGeert Uytterhoeven <geert@linux-m68k.org>2011-01-07 14:01:35 +0100
commit8c18194f6c0a638565f2074d1dcabfbe590f396d (patch)
treeb30326490d06aebde6cb2528e8aba841a0d597e4 /arch/m68k
parentbd6f56a75bb2a65b3a1b8d14a9787fdaadae71c1 (diff)
downloadop-kernel-dev-8c18194f6c0a638565f2074d1dcabfbe590f396d.zip
op-kernel-dev-8c18194f6c0a638565f2074d1dcabfbe590f396d.tar.gz
m68k: Check __get_user()/__put_user() return value
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/kernel/signal.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index d5f4a82..d12c3b0 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -100,10 +100,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
old_sigset_t mask;
if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
+ __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
+ __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
+ __get_user(mask, &act->sa_mask))
return -EFAULT;
- __get_user(new_ka.sa.sa_flags, &act->sa_flags);
- __get_user(mask, &act->sa_mask);
siginitset(&new_ka.sa.sa_mask, mask);
}
@@ -112,10 +112,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
if (!ret && oact) {
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
+ __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
+ __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
+ __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
return -EFAULT;
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
}
return ret;
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