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fix compat_sys_rt_sigprocmask()

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Converting bitmask to 32bit granularity is fine, but we'd better
_do_ something with the result.  Such as "copy it to userland"...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-02 20:39:15 -05:00
parent 0e803bafbb
commit db61ec29fd
1 changed files with 1 additions and 1 deletions
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2
kernel/signal.c
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@ -2653,7 +2653,7 @@ COMPAT_SYSCALL_DEFINE4(rt_sigprocmask, int, how, compat_sigset_t __user *, nset,
if (oset) { if (oset) {
compat_sigset_t old32; compat_sigset_t old32;
sigset_to_compat(&old32, &old_set); sigset_to_compat(&old32, &old_set);
if (copy_to_user(oset, &old_set, sizeof(sigset_t))) if (copy_to_user(oset, &old32, sizeof(compat_sigset_t)))
return -EFAULT; return -EFAULT;
} }
return 0; return 0;