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Diffstat (limited to 'arch/arm/kernel/sys_oabi-compat.c')
-rw-r--r--arch/arm/kernel/sys_oabi-compat.c36
1 files changed, 26 insertions, 10 deletions
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 8e2f9bc3368..e90a3148f38 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -25,6 +25,7 @@
* sys_stat64:
* sys_lstat64:
* sys_fstat64:
+ * sys_fstatat64:
*
* struct stat64 has different sizes and some members are shifted
* Compatibility wrappers are needed for them and provided below.
@@ -80,8 +81,9 @@
#include <linux/sem.h>
#include <linux/socket.h>
#include <linux/net.h>
-#include <asm/ipc.h>
-#include <asm/uaccess.h>
+#include <linux/ipc.h>
+#include <linux/uaccess.h>
+#include <linux/slab.h>
struct oldabi_stat64 {
unsigned long long st_dev;
@@ -122,8 +124,8 @@ static long cp_oldabi_stat64(struct kstat *stat,
tmp.__st_ino = stat->ino;
tmp.st_mode = stat->mode;
tmp.st_nlink = stat->nlink;
- tmp.st_uid = stat->uid;
- tmp.st_gid = stat->gid;
+ tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid);
+ tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid);
tmp.st_rdev = huge_encode_dev(stat->rdev);
tmp.st_size = stat->size;
tmp.st_blocks = stat->blocks;
@@ -139,7 +141,7 @@ static long cp_oldabi_stat64(struct kstat *stat,
return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0;
}
-asmlinkage long sys_oabi_stat64(char __user * filename,
+asmlinkage long sys_oabi_stat64(const char __user * filename,
struct oldabi_stat64 __user * statbuf)
{
struct kstat stat;
@@ -149,7 +151,7 @@ asmlinkage long sys_oabi_stat64(char __user * filename,
return error;
}
-asmlinkage long sys_oabi_lstat64(char __user * filename,
+asmlinkage long sys_oabi_lstat64(const char __user * filename,
struct oldabi_stat64 __user * statbuf)
{
struct kstat stat;
@@ -169,6 +171,20 @@ asmlinkage long sys_oabi_fstat64(unsigned long fd,
return error;
}
+asmlinkage long sys_oabi_fstatat64(int dfd,
+ const char __user *filename,
+ struct oldabi_stat64 __user *statbuf,
+ int flag)
+{
+ struct kstat stat;
+ int error;
+
+ error = vfs_fstatat(dfd, filename, &stat, flag);
+ if (error)
+ return error;
+ return cp_oldabi_stat64(&stat, statbuf);
+}
+
struct oabi_flock64 {
short l_type;
short l_whence;
@@ -187,6 +203,9 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
int ret;
switch (cmd) {
+ case F_OFD_GETLK:
+ case F_OFD_SETLK:
+ case F_OFD_SETLKW:
case F_GETLK64:
case F_SETLK64:
case F_SETLKW64:
@@ -295,7 +314,7 @@ asmlinkage long sys_oabi_semtimedop(int semid,
long err;
int i;
- if (nsops < 1)
+ if (nsops < 1 || nsops > SEMOPM)
return -EINVAL;
sops = kmalloc(sizeof(*sops) * nsops, GFP_KERNEL);
if (!sops)
@@ -330,9 +349,6 @@ asmlinkage long sys_oabi_semop(int semid, struct oabi_sembuf __user *tsops,
return sys_oabi_semtimedop(semid, tsops, nsops, NULL);
}
-extern asmlinkage int sys_ipc(uint call, int first, int second, int third,
- void __user *ptr, long fifth);
-
asmlinkage int sys_oabi_ipc(uint call, int first, int second, int third,
void __user *ptr, long fifth)
{