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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-27 23:09:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-27 23:09:29 -0800 |
| commit | 86292b33d4b79ee03e2f43ea0381ef85f077c760 (patch) | |
| tree | b69a6ffd8ec5ac01599d351205a96804b9c415da /kernel/signal.c | |
| parent | 1ac884f173d4842216f6a24c03c9833e3ce6e982 (diff) | |
| parent | 3e761a42e19c63b624ebac94d918d8a15e07e2a7 (diff) | |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
- a few MM remainders
- misc things
- autofs updates
- signals
- affs updates
- ipc
- nilfs2
- spelling.txt updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (78 commits)
mm, x86: fix HIGHMEM64 && PARAVIRT build config for native_pud_clear()
mm: add arch-independent testcases for RODATA
hfs: atomically read inode size
mm: clarify mm_struct.mm_{users,count} documentation
mm: use mmget_not_zero() helper
mm: add new mmget() helper
mm: add new mmgrab() helper
checkpatch: warn when formats use %Z and suggest %z
lib/vsprintf.c: remove %Z support
scripts/spelling.txt: add some typo-words
scripts/spelling.txt: add "followings" pattern and fix typo instances
scripts/spelling.txt: add "therfore" pattern and fix typo instances
scripts/spelling.txt: add "overwriten" pattern and fix typo instances
scripts/spelling.txt: add "overwritting" pattern and fix typo instances
scripts/spelling.txt: add "deintialize(d)" pattern and fix typo instances
scripts/spelling.txt: add "disassocation" pattern and fix typo instances
scripts/spelling.txt: add "omited" pattern and fix typo instances
scripts/spelling.txt: add "explictely" pattern and fix typo instances
scripts/spelling.txt: add "applys" pattern and fix typo instances
scripts/spelling.txt: add "configuartion" pattern and fix typo instances
...
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 13f9def8b24a..214a8feeb771 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -3239,10 +3239,17 @@ int compat_restore_altstack(const compat_stack_t __user *uss) int __compat_save_altstack(compat_stack_t __user *uss, unsigned long sp) { + int err; struct task_struct *t = current; - return __put_user(ptr_to_compat((void __user *)t->sas_ss_sp), &uss->ss_sp) | - __put_user(sas_ss_flags(sp), &uss->ss_flags) | + err = __put_user(ptr_to_compat((void __user *)t->sas_ss_sp), + &uss->ss_sp) | + __put_user(t->sas_ss_flags, &uss->ss_flags) | __put_user(t->sas_ss_size, &uss->ss_size); + if (err) + return err; + if (t->sas_ss_flags & SS_AUTODISARM) + sas_ss_reset(t); + return 0; } #endif |