NFSv4: The link() operation should return any delegation on the file

[karo-tx-linux.git] / kernel / uid16.c

diff --git a/kernel/uid16.c b/kernel/uid16.c
index 187e2a423878229b53e7c5310946621274901bf7..67bb92ce49d1c03f42cb455de1323434dcfcf4ff 100644 (file)
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -6,7 +6,6 @@
 #include <linux/mm.h>
 #include <linux/utsname.h>
 #include <linux/mman.h>
-#include <linux/smp_lock.h>
 #include <linux/notifier.h>
 #include <linux/reboot.h>
 #include <linux/prctl.h>
@@ -18,72 +17,72 @@
 
 #include <asm/uaccess.h>
 
-asmlinkage long sys_chown16(const char __user * filename, old_uid_t user, old_gid_t group)
+SYSCALL_DEFINE3(chown16, const char __user *, filename, old_uid_t, user, old_gid_t, group)
 {
        long ret = sys_chown(filename, low2highuid(user), low2highgid(group));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(3, ret, filename, user, group);
        return ret;
 }
 
-asmlinkage long sys_lchown16(const char __user * filename, old_uid_t user, old_gid_t group)
+SYSCALL_DEFINE3(lchown16, const char __user *, filename, old_uid_t, user, old_gid_t, group)
 {
        long ret = sys_lchown(filename, low2highuid(user), low2highgid(group));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(3, ret, filename, user, group);
        return ret;
 }
 
-asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group)
+SYSCALL_DEFINE3(fchown16, unsigned int, fd, old_uid_t, user, old_gid_t, group)
 {
        long ret = sys_fchown(fd, low2highuid(user), low2highgid(group));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(3, ret, fd, user, group);
        return ret;
 }
 
-asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid)
+SYSCALL_DEFINE2(setregid16, old_gid_t, rgid, old_gid_t, egid)
 {
        long ret = sys_setregid(low2highgid(rgid), low2highgid(egid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(2, ret, rgid, egid);
        return ret;
 }
 
-asmlinkage long sys_setgid16(old_gid_t gid)
+SYSCALL_DEFINE1(setgid16, old_gid_t, gid)
 {
        long ret = sys_setgid(low2highgid(gid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(1, ret, gid);
        return ret;
 }
 
-asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid)
+SYSCALL_DEFINE2(setreuid16, old_uid_t, ruid, old_uid_t, euid)
 {
        long ret = sys_setreuid(low2highuid(ruid), low2highuid(euid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(2, ret, ruid, euid);
        return ret;
 }
 
-asmlinkage long sys_setuid16(old_uid_t uid)
+SYSCALL_DEFINE1(setuid16, old_uid_t, uid)
 {
        long ret = sys_setuid(low2highuid(uid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(1, ret, uid);
        return ret;
 }
 
-asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid)
+SYSCALL_DEFINE3(setresuid16, old_uid_t, ruid, old_uid_t, euid, old_uid_t, suid)
 {
        long ret = sys_setresuid(low2highuid(ruid), low2highuid(euid),
                                 low2highuid(suid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(3, ret, ruid, euid, suid);
        return ret;
 }
 
-asmlinkage long sys_getresuid16(old_uid_t __user *ruid, old_uid_t __user *euid, old_uid_t __user *suid)
+SYSCALL_DEFINE3(getresuid16, old_uid_t __user *, ruid, old_uid_t __user *, euid, old_uid_t __user *, suid)
 {
        int retval;
 
@@ -94,16 +93,17 @@ asmlinkage long sys_getresuid16(old_uid_t __user *ruid, old_uid_t __user *euid,
        return retval;
 }
 
-asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid)
+SYSCALL_DEFINE3(setresgid16, old_gid_t, rgid, old_gid_t, egid, old_gid_t, sgid)
 {
        long ret = sys_setresgid(low2highgid(rgid), low2highgid(egid),
                                 low2highgid(sgid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(3, ret, rgid, egid, sgid);
        return ret;
 }
 
-asmlinkage long sys_getresgid16(old_gid_t __user *rgid, old_gid_t __user *egid, old_gid_t __user *sgid)
+
+SYSCALL_DEFINE3(getresgid16, old_gid_t __user *, rgid, old_gid_t __user *, egid, old_gid_t __user *, sgid)
 {
        int retval;
 
@@ -114,19 +114,19 @@ asmlinkage long sys_getresgid16(old_gid_t __user *rgid, old_gid_t __user *egid,
        return retval;
 }
 
-asmlinkage long sys_setfsuid16(old_uid_t uid)
+SYSCALL_DEFINE1(setfsuid16, old_uid_t, uid)
 {
        long ret = sys_setfsuid(low2highuid(uid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(1, ret, uid);
        return ret;
 }
 
-asmlinkage long sys_setfsgid16(old_gid_t gid)
+SYSCALL_DEFINE1(setfsgid16, old_gid_t, gid)
 {
        long ret = sys_setfsgid(low2highgid(gid));
        /* avoid REGPARM breakage on x86: */
-       prevent_tail_call(ret);
+       asmlinkage_protect(1, ret, gid);
        return ret;
 }
 
@@ -160,7 +160,7 @@ static int groups16_from_user(struct group_info *group_info,
        return 0;
 }
 
-asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist)
+SYSCALL_DEFINE2(getgroups16, int, gidsetsize, old_gid_t __user *, grouplist)
 {
        int i = 0;
 
@@ -184,7 +184,7 @@ out:
        return i;
 }
 
-asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist)
+SYSCALL_DEFINE2(setgroups16, int, gidsetsize, old_gid_t __user *, grouplist)
 {
        struct group_info *group_info;
        int retval;
@@ -209,22 +209,22 @@ asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist)
        return retval;
 }
 
-asmlinkage long sys_getuid16(void)
+SYSCALL_DEFINE0(getuid16)
 {
        return high2lowuid(current->uid);
 }
 
-asmlinkage long sys_geteuid16(void)
+SYSCALL_DEFINE0(geteuid16)
 {
        return high2lowuid(current->euid);
 }
 
-asmlinkage long sys_getgid16(void)
+SYSCALL_DEFINE0(getgid16)
 {
        return high2lowgid(current->gid);
 }
 
-asmlinkage long sys_getegid16(void)
+SYSCALL_DEFINE0(getegid16)
 {
        return high2lowgid(current->egid);
 }