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switch getrusage() to COMPAT_SYSCALL_DEFINE 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-03 12:49:06 -05:00
parent 35280bd4a3
commit 8d2d5c4a25
6 changed files with 16 additions and 27 deletions
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5
arch/s390/kernel/compat_wrapper.S
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@ -258,11 +258,6 @@ ENTRY(sys32_mmap2_wrapper)
llgtr %r2,%r2 # struct mmap_arg_struct_emu31 *
jg sys32_mmap2 # branch to system call
ENTRY(compat_sys_getrusage_wrapper)
lgfr %r2,%r2 # int
llgtr %r3,%r3 # struct rusage_emu31 *
jg compat_sys_getrusage # branch to system call
ENTRY(compat_sys_gettimeofday_wrapper)
llgtr %r2,%r2 # struct timeval_emu31 *
llgtr %r3,%r3 # struct timezone *

2
arch/s390/kernel/syscalls.S
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@ -85,7 +85,7 @@ SYSCALL(sys_sigpending,sys_sigpending,compat_sys_sigpending_wrapper)
SYSCALL(sys_sethostname,sys_sethostname,sys32_sethostname_wrapper)
SYSCALL(sys_setrlimit,sys_setrlimit,compat_sys_setrlimit_wrapper) /* 75 */
SYSCALL(sys_old_getrlimit,sys_getrlimit,compat_sys_old_getrlimit_wrapper)
SYSCALL(sys_getrusage,sys_getrusage,compat_sys_getrusage_wrapper)
SYSCALL(sys_getrusage,sys_getrusage,compat_sys_getrusage)
SYSCALL(sys_gettimeofday,sys_gettimeofday,compat_sys_gettimeofday_wrapper)
SYSCALL(sys_settimeofday,sys_settimeofday,compat_sys_settimeofday_wrapper)
SYSCALL(sys_getgroups16,sys_ni_syscall,sys32_getgroups16_wrapper) /* 80 old getgroups16 syscall */

1
arch/sparc/kernel/sys32.S
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@ -36,7 +36,6 @@ STUB: sra REG1, 0, REG1; \
jmpl %g1 + %lo(SYSCALL), %g0; \
sra REG3, 0, REG3
SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
SIGN1(sys32_readahead, compat_sys_readahead, %o0)
SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)

2
arch/sparc/kernel/systbls_64.S
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@ -41,7 +41,7 @@ sys_call_table32:
/*100*/ .word sys_getpriority, sys32_rt_sigreturn, compat_sys_rt_sigaction, compat_sys_rt_sigprocmask, compat_sys_rt_sigpending
.word compat_sys_rt_sigtimedwait, compat_sys_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid
/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
.word sys_getgroups, compat_sys_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd
.word sys_getgroups, compat_sys_gettimeofday, compat_sys_getrusage, sys_nis_syscall, sys_getcwd
/*120*/ .word compat_sys_readv, compat_sys_writev, compat_sys_settimeofday, sys_fchown16, sys_fchmod
.word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate
/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall

19
kernel/compat.c
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@ -516,25 +516,6 @@ int put_compat_rusage(const struct rusage *r, struct compat_rusage __user *ru)
return 0;
}
asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru)
{
struct rusage r;
int ret;
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_getrusage(who, (struct rusage __user *) &r);
set_fs(old_fs);
if (ret)
return ret;
if (put_compat_rusage(&r, ru))
return -EFAULT;
return 0;
}
COMPAT_SYSCALL_DEFINE4(wait4,
compat_pid_t, pid,
compat_uint_t __user *, stat_addr,

14
kernel/sys.c
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@ -1784,6 +1784,20 @@ SYSCALL_DEFINE2(getrusage, int, who, struct rusage __user *, ru)
return getrusage(current, who, ru);
}
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE2(getrusage, int, who, struct compat_rusage __user *, ru)
{
struct rusage r;
if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN &&
who != RUSAGE_THREAD)
return -EINVAL;
k_getrusage(current, who, &r);
return put_compat_rusage(&r, ru);
}
#endif
SYSCALL_DEFINE1(umask, int, mask)
{
mask = xchg(&current->fs->umask, mask & S_IRWXUGO);