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[CVE-2009-0029] System call wrappers part 19

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Heiko Carstens 16 anos atrás
pai
commit
003d7ab479
3 arquivos alterados com 13 adições e 12 exclusões
  1. 4 4
      fs/read_write.c
  2. 3 2
      fs/utimes.c
  3. 6 6
      kernel/uid16.c

+ 4 - 4
fs/read_write.c

@@ -147,7 +147,7 @@ loff_t vfs_llseek(struct file *file, loff_t offset, int origin)
 }
 EXPORT_SYMBOL(vfs_llseek);
 
-asmlinkage long sys_lseek(unsigned int fd, off_t offset, unsigned int origin)
+SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, origin)
 {
 	off_t retval;
 	struct file * file;
@@ -171,9 +171,9 @@ bad:
 }
 
 #ifdef __ARCH_WANT_SYS_LLSEEK
-asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
-			   unsigned long offset_low, loff_t __user * result,
-			   unsigned int origin)
+SYSCALL_DEFINE5(llseek, unsigned int, fd, unsigned long, offset_high,
+		unsigned long, offset_low, loff_t __user *, result,
+		unsigned int, origin)
 {
 	int retval;
 	struct file * file;

+ 3 - 2
fs/utimes.c

@@ -24,7 +24,7 @@
  * must be owner or have write permission.
  * Else, update from *times, must be owner or super user.
  */
-asmlinkage long sys_utime(char __user *filename, struct utimbuf __user *times)
+SYSCALL_DEFINE2(utime, char __user *, filename, struct utimbuf __user *, times)
 {
 	struct timespec tv[2];
 
@@ -214,7 +214,8 @@ asmlinkage long sys_futimesat(int dfd, char __user *filename, struct timeval __u
 	return do_utimes(dfd, filename, utimes ? tstimes : NULL, 0);
 }
 
-asmlinkage long sys_utimes(char __user *filename, struct timeval __user *utimes)
+SYSCALL_DEFINE2(utimes, char __user *, filename,
+		struct timeval __user *, utimes)
 {
 	return sys_futimesat(AT_FDCWD, filename, utimes);
 }

+ 6 - 6
kernel/uid16.c

@@ -162,7 +162,7 @@ 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)
 {
 	const struct cred *cred = current_cred();
 	int i;
@@ -185,7 +185,7 @@ 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;
@@ -210,22 +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());
 }
 
-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());
 }