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Diffstat (limited to 'kernel/uid16.c')
-rw-r--r--kernel/uid16.c70
1 files changed, 36 insertions, 34 deletions
diff --git a/kernel/uid16.c b/kernel/uid16.c
index 3e41c1673e2..0314501688b 100644
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -17,7 +17,7 @@
#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: */
@@ -25,7 +25,7 @@ asmlinkage long sys_chown16(const char __user * filename, old_uid_t user, old_gi
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: */
@@ -33,7 +33,7 @@ asmlinkage long sys_lchown16(const char __user * filename, old_uid_t user, old_g
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: */
@@ -41,7 +41,7 @@ asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t 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: */
@@ -49,7 +49,7 @@ asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t 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: */
@@ -57,7 +57,7 @@ asmlinkage long sys_setgid16(old_gid_t 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: */
@@ -65,7 +65,7 @@ asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t 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: */
@@ -73,7 +73,7 @@ asmlinkage long sys_setuid16(old_uid_t 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));
@@ -82,18 +82,19 @@ asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t 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)
{
+ const struct cred *cred = current_cred();
int retval;
- if (!(retval = put_user(high2lowuid(current->uid), ruid)) &&
- !(retval = put_user(high2lowuid(current->euid), euid)))
- retval = put_user(high2lowuid(current->suid), suid);
+ if (!(retval = put_user(high2lowuid(cred->uid), ruid)) &&
+ !(retval = put_user(high2lowuid(cred->euid), euid)))
+ retval = put_user(high2lowuid(cred->suid), suid);
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));
@@ -102,18 +103,20 @@ asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t 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)
{
+ const struct cred *cred = current_cred();
int retval;
- if (!(retval = put_user(high2lowgid(current->gid), rgid)) &&
- !(retval = put_user(high2lowgid(current->egid), egid)))
- retval = put_user(high2lowgid(current->sgid), sgid);
+ if (!(retval = put_user(high2lowgid(cred->gid), rgid)) &&
+ !(retval = put_user(high2lowgid(cred->egid), egid)))
+ retval = put_user(high2lowgid(cred->sgid), sgid);
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: */
@@ -121,7 +124,7 @@ asmlinkage long sys_setfsuid16(old_uid_t 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: */
@@ -159,31 +162,30 @@ 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;
+ const struct cred *cred = current_cred();
+ int i;
if (gidsetsize < 0)
return -EINVAL;
- get_group_info(current->group_info);
- i = current->group_info->ngroups;
+ i = cred->group_info->ngroups;
if (gidsetsize) {
if (i > gidsetsize) {
i = -EINVAL;
goto out;
}
- if (groups16_to_user(grouplist, current->group_info)) {
+ if (groups16_to_user(grouplist, cred->group_info)) {
i = -EFAULT;
goto out;
}
}
out:
- put_group_info(current->group_info);
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;
@@ -208,22 +210,22 @@ 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);
+ return high2lowuid(current_uid());
}
-asmlinkage long sys_geteuid16(void)
+SYSCALL_DEFINE0(geteuid16)
{
- return high2lowuid(current->euid);
+ return high2lowuid(current_euid());
}
-asmlinkage long sys_getgid16(void)
+SYSCALL_DEFINE0(getgid16)
{
- return high2lowgid(current->gid);
+ return high2lowgid(current_gid());
}
-asmlinkage long sys_getegid16(void)
+SYSCALL_DEFINE0(getegid16)
{
- return high2lowgid(current->egid);
+ return high2lowgid(current_egid());
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-03 19:06:45 +0000