From e723e0cc17f8d8573b19a809277d81cecdd6e92b Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 26 Feb 2014 10:58:09 +0100 Subject: [PATCH] s390/compat: convert to COMPAT_SYSCALL_DEFINEx part 4 Signed-off-by: Heiko Carstens --- arch/s390/kernel/compat_linux.c | 15 ++++++--------- arch/s390/kernel/compat_linux.h | 11 +++++------ arch/s390/kernel/compat_wrapper.S | 14 -------------- arch/s390/kernel/syscalls.S | 10 +++++----- 4 files changed, 16 insertions(+), 34 deletions(-) diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 65b5acbd375b..79571343bc75 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -269,22 +269,22 @@ COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplis return retval; } -asmlinkage long sys32_getuid16(void) +COMPAT_SYSCALL_DEFINE0(s390_getuid16) { return high2lowuid(from_kuid_munged(current_user_ns(), current_uid())); } -asmlinkage long sys32_geteuid16(void) +COMPAT_SYSCALL_DEFINE0(s390_geteuid16) { return high2lowuid(from_kuid_munged(current_user_ns(), current_euid())); } -asmlinkage long sys32_getgid16(void) +COMPAT_SYSCALL_DEFINE0(s390_getgid16) { return high2lowgid(from_kgid_munged(current_user_ns(), current_gid())); } -asmlinkage long sys32_getegid16(void) +COMPAT_SYSCALL_DEFINE0(s390_getegid16) { return high2lowgid(from_kgid_munged(current_user_ns(), current_egid())); } @@ -299,12 +299,9 @@ COMPAT_SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, compat_ulong_t, second, } #endif -asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low) +COMPAT_SYSCALL_DEFINE3(s390_truncate64, const char __user *, path, u32, high, u32, low) { - if ((int)high < 0) - return -EINVAL; - else - return sys_truncate(path, (high << 32) | low); + return sys_truncate(path, (unsigned long)high << 32 | low); } asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low) diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h index 766867230d26..3e03325d0e95 100644 --- a/arch/s390/kernel/compat_linux.h +++ b/arch/s390/kernel/compat_linux.h @@ -91,12 +91,11 @@ long compat_sys_s390_setfsuid16(u16 uid); long compat_sys_s390_setfsgid16(u16 gid); long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist); long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist); -long sys32_getuid16(void); -long sys32_geteuid16(void); -long sys32_getgid16(void); -long sys32_getegid16(void); -long sys32_truncate64(const char __user * path, unsigned long high, - unsigned long low); +long compat_sys_s390_getuid16(void); +long compat_sys_s390_geteuid16(void); +long compat_sys_s390_getgid16(void); +long compat_sys_s390_getegid16(void); +long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low); long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low); long sys32_init_module(void __user *umod, unsigned long len, const char __user *uargs); diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 6c55523acf29..9128f7b87e80 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -75,8 +75,6 @@ ENTRY(sys32_oldumount_wrapper) llgtr %r2,%r2 # char * jg sys_oldumount # branch to system call -#sys32_getuid16_wrapper # void - ENTRY(sys32_ptrace_wrapper) lgfr %r2,%r2 # long lgfr %r3,%r3 # long @@ -139,17 +137,11 @@ ENTRY(sys32_brk_wrapper) llgtr %r2,%r2 # unsigned long jg sys_brk # branch to system call -#sys32_getgid16_wrapper # void - ENTRY(sys32_signal_wrapper) lgfr %r2,%r2 # int llgtr %r3,%r3 # __sighandler_t jg sys_signal -#sys32_geteuid16_wrapper # void - -#sys32_getegid16_wrapper # void - ENTRY(sys32_acct_wrapper) llgtr %r2,%r2 # char * jg sys_acct # branch to system call @@ -577,12 +569,6 @@ ENTRY(sys32_capset_wrapper) #sys32_vfork_wrapper # done in vfork_glue -ENTRY(sys32_truncate64_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - jg sys32_truncate64 # branch to system call - ENTRY(sys32_ftruncate64_wrapper) llgfr %r2,%r2 # unsigned int llgfr %r3,%r3 # unsigned long diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index bdba42a35ec6..fa17cefe40e2 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -32,7 +32,7 @@ SYSCALL(sys_getpid,sys_getpid,sys_getpid) /* 20 */ SYSCALL(sys_mount,sys_mount,sys32_mount_wrapper) SYSCALL(sys_oldumount,sys_oldumount,sys32_oldumount_wrapper) SYSCALL(sys_setuid16,sys_ni_syscall,compat_sys_s390_setuid16) /* old setuid16 syscall*/ -SYSCALL(sys_getuid16,sys_ni_syscall,sys32_getuid16) /* old getuid16 syscall*/ +SYSCALL(sys_getuid16,sys_ni_syscall,compat_sys_s390_getuid16) /* old getuid16 syscall*/ SYSCALL(sys_stime,sys_ni_syscall,sys32_stime_wrapper) /* 25 old stime syscall */ SYSCALL(sys_ptrace,sys_ptrace,sys32_ptrace_wrapper) SYSCALL(sys_alarm,sys_alarm,sys32_alarm_wrapper) @@ -55,10 +55,10 @@ SYSCALL(sys_times,sys_times,compat_sys_times_wrapper) NI_SYSCALL /* old prof syscall */ SYSCALL(sys_brk,sys_brk,sys32_brk_wrapper) /* 45 */ SYSCALL(sys_setgid16,sys_ni_syscall,compat_sys_s390_setgid16) /* old setgid16 syscall*/ -SYSCALL(sys_getgid16,sys_ni_syscall,sys32_getgid16) /* old getgid16 syscall*/ +SYSCALL(sys_getgid16,sys_ni_syscall,compat_sys_s390_getgid16) /* old getgid16 syscall*/ SYSCALL(sys_signal,sys_signal,sys32_signal_wrapper) -SYSCALL(sys_geteuid16,sys_ni_syscall,sys32_geteuid16) /* old geteuid16 syscall */ -SYSCALL(sys_getegid16,sys_ni_syscall,sys32_getegid16) /* 50 old getegid16 syscall */ +SYSCALL(sys_geteuid16,sys_ni_syscall,compat_sys_s390_geteuid16) /* old geteuid16 syscall */ +SYSCALL(sys_getegid16,sys_ni_syscall,compat_sys_s390_getegid16) /* 50 old getegid16 syscall */ SYSCALL(sys_acct,sys_acct,sys32_acct_wrapper) SYSCALL(sys_umount,sys_umount,sys32_umount_wrapper) NI_SYSCALL /* old lock syscall */ @@ -201,7 +201,7 @@ NI_SYSCALL /* streams2 */ SYSCALL(sys_vfork,sys_vfork,sys_vfork) /* 190 */ SYSCALL(sys_getrlimit,sys_getrlimit,compat_sys_getrlimit_wrapper) SYSCALL(sys_mmap2,sys_mmap2,sys32_mmap2_wrapper) -SYSCALL(sys_truncate64,sys_ni_syscall,sys32_truncate64_wrapper) +SYSCALL(sys_truncate64,sys_ni_syscall,compat_sys_s390_truncate64) SYSCALL(sys_ftruncate64,sys_ni_syscall,sys32_ftruncate64_wrapper) SYSCALL(sys_stat64,sys_ni_syscall,sys32_stat64_wrapper) /* 195 */ SYSCALL(sys_lstat64,sys_ni_syscall,sys32_lstat64_wrapper) -- 2.34.1