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parisc: switch to generic compat rt_sigprocmask()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 13:51:31 -05:00
parent 6e26aab98c
commit e6a7ad517a
3 changed files with 2 additions and 36 deletions
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1
arch/parisc/Kconfig
View file

@ -24,6 +24,7 @@ config PARISC
select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS
select GENERIC_SIGALTSTACK
select GENERIC_COMPAT_RT_SIGPROCMASK
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used

35
arch/parisc/kernel/signal32.c
View file

@ -72,41 +72,6 @@ put_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
return copy_to_user(up, &s, sizeof s);
}
static int
get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
{
compat_sigset_t s;
int r;
if (sz != sizeof *set)
return -EINVAL;
if ((r = copy_from_user(&s, up, sz)) == 0) {
sigset_32to64(set, &s);
}
return r;
}
int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t __user *oset,
unsigned int sigsetsize)
{
sigset_t old_set, new_set;
int ret;
if (set && get_sigset32(set, &new_set, sigsetsize))
return -EFAULT;
KERNEL_SYSCALL(ret, sys_rt_sigprocmask, how, set ? (sigset_t __user *)&new_set : NULL,
oset ? (sigset_t __user *)&old_set : NULL, sigsetsize);
if (!ret && oset && put_sigset32(oset, &old_set, sigsetsize))
return -EFAULT;
return ret;
}
int sys32_rt_sigpending(compat_sigset_t __user *uset, unsigned int sigsetsize)
{
int ret;

2
arch/parisc/kernel/syscall_table.S
View file

@ -266,7 +266,7 @@
/* signals need a careful review */
ENTRY_SAME(rt_sigreturn_wrapper)
ENTRY_DIFF(rt_sigaction)
ENTRY_DIFF(rt_sigprocmask) /* 175 */
ENTRY_COMP(rt_sigprocmask) /* 175 */
ENTRY_DIFF(rt_sigpending)
ENTRY_COMP(rt_sigtimedwait)
/* even though the struct siginfo_t is different, it appears like