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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-07-18 12:03:29 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-07-18 12:03:29 +0200
commit8157ee2115fc343ccdadab671e2b75e285feaa60 (patch)
tree52db40213970636590e74774ffd2efb55f0ee578 /kernel/ptrace.c
parent2e57f47d317dd035b18634b0c602272529368fcc (diff)
parent8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff)
Merge tag 'v3.10' into drm-intel-fixes
Backmerge Linux 3.10 to get at commit 19b2dbde5732170a03bd82cc8bd442cf88d856f7 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Wed Jun 12 10:15:12 2013 +0100 drm/i915: Restore fences after resume and GPU resets That commit is not in my current -fixes pile since that's based on my -next queue for 3.11. And the above mentioned fix was merged really late into 3.10 (and blew up, bad me) so was on a diverging branch. Option B would have been to rebase my current pile of fixes onto Dave's drm-fixes branch. But since some of the patches here are a bit tricky I've decided not to void all the testing by moving over the entire merge window. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'kernel/ptrace.c')
-rw-r--r--kernel/ptrace.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index aed981a3f69..335a7ae697f 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -665,20 +665,22 @@ static int ptrace_peek_siginfo(struct task_struct *child,
if (unlikely(is_compat_task())) {
compat_siginfo_t __user *uinfo = compat_ptr(data);
- ret = copy_siginfo_to_user32(uinfo, &info);
- ret |= __put_user(info.si_code, &uinfo->si_code);
+ if (copy_siginfo_to_user32(uinfo, &info) ||
+ __put_user(info.si_code, &uinfo->si_code)) {
+ ret = -EFAULT;
+ break;
+ }
+
} else
#endif
{
siginfo_t __user *uinfo = (siginfo_t __user *) data;
- ret = copy_siginfo_to_user(uinfo, &info);
- ret |= __put_user(info.si_code, &uinfo->si_code);
- }
-
- if (ret) {
- ret = -EFAULT;
- break;
+ if (copy_siginfo_to_user(uinfo, &info) ||
+ __put_user(info.si_code, &uinfo->si_code)) {
+ ret = -EFAULT;
+ break;
+ }
}
data += sizeof(siginfo_t);