diff options
Diffstat (limited to 'fs/compat.c')
| -rw-r--r-- | fs/compat.c | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/fs/compat.c b/fs/compat.c index 2468ac1df2f..c6ba9deabad 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -68,10 +68,10 @@ asmlinkage long compat_sys_utime(char __user *filename, struct compat_utimbuf __ tv[0].tv_usec = 0; tv[1].tv_usec = 0; } - return do_utimes(filename, t ? tv : NULL); + return do_utimes(AT_FDCWD, filename, t ? tv : NULL); } -asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval __user *t) +asmlinkage long compat_sys_futimesat(int dfd, char __user *filename, struct compat_timeval __user *t) { struct timeval tv[2]; @@ -82,14 +82,19 @@ asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval _ get_user(tv[1].tv_usec, &t[1].tv_usec)) return -EFAULT; } - return do_utimes(filename, t ? tv : NULL); + return do_utimes(dfd, filename, t ? tv : NULL); +} + +asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval __user *t) +{ + return compat_sys_futimesat(AT_FDCWD, filename, t); } asmlinkage long compat_sys_newstat(char __user * filename, struct compat_stat __user *statbuf) { struct kstat stat; - int error = vfs_stat(filename, &stat); + int error = vfs_stat_fd(AT_FDCWD, filename, &stat); if (!error) error = cp_compat_stat(&stat, statbuf); @@ -100,13 +105,34 @@ asmlinkage long compat_sys_newlstat(char __user * filename, struct compat_stat __user *statbuf) { struct kstat stat; - int error = vfs_lstat(filename, &stat); + int error = vfs_lstat_fd(AT_FDCWD, filename, &stat); if (!error) error = cp_compat_stat(&stat, statbuf); return error; } +asmlinkage long compat_sys_newfstatat(int dfd, char __user *filename, + struct compat_stat __user *statbuf, int flag) +{ + struct kstat stat; + int error = -EINVAL; + + if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0) + goto out; + + if (flag & AT_SYMLINK_NOFOLLOW) + error = vfs_lstat_fd(dfd, filename, &stat); + else + error = vfs_stat_fd(dfd, filename, &stat); + + if (!error) + error = cp_compat_stat(&stat, statbuf); + +out: + return error; +} + asmlinkage long compat_sys_newfstat(unsigned int fd, struct compat_stat __user * statbuf) { @@ -1290,7 +1316,17 @@ out: asmlinkage long compat_sys_open(const char __user *filename, int flags, int mode) { - return do_sys_open(filename, flags, mode); + return do_sys_open(AT_FDCWD, filename, flags, mode); +} + +/* + * Exactly like fs/open.c:sys_openat(), except that it doesn't set the + * O_LARGEFILE flag. + */ +asmlinkage long +compat_sys_openat(int dfd, const char __user *filename, int flags, int mode) +{ + return do_sys_open(dfd, filename, flags, mode); } /* |