diff options
| -rw-r--r-- | fs/init.c | 13 | ||||
| -rw-r--r-- | fs/internal.h | 2 | ||||
| -rw-r--r-- | fs/open.c | 4 | ||||
| -rw-r--r-- | include/linux/init_syscalls.h | 1 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 7 | ||||
| -rw-r--r-- | init/initramfs.c | 4 |
6 files changed, 19 insertions, 12 deletions
diff --git a/fs/init.c b/fs/init.c index edd024465595..a66032d128b6 100644 --- a/fs/init.c +++ b/fs/init.c @@ -96,6 +96,19 @@ int __init init_chown(const char *filename, uid_t user, gid_t group, int flags) return error; } +int __init init_chmod(const char *filename, umode_t mode) +{ + struct path path; + int error; + + error = kern_path(filename, LOOKUP_FOLLOW, &path); + if (error) + return error; + error = chmod_common(&path, mode); + path_put(&path); + return error; +} + int __init init_unlink(const char *pathname) { return do_unlinkat(AT_FDCWD, getname_kernel(pathname)); diff --git a/fs/internal.h b/fs/internal.h index e81b9e23c3ea..6d82681c7d83 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -131,7 +131,7 @@ extern struct open_how build_open_how(int flags, umode_t mode); extern int build_open_flags(const struct open_how *how, struct open_flags *op); long do_sys_ftruncate(unsigned int fd, loff_t length, int small); -int do_fchmodat(int dfd, const char __user *filename, umode_t mode); +int chmod_common(const struct path *path, umode_t mode); int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group, int flag); int chown_common(const struct path *path, uid_t user, gid_t group); diff --git a/fs/open.c b/fs/open.c index 49960a1248f1..7ba89eae46c5 100644 --- a/fs/open.c +++ b/fs/open.c @@ -563,7 +563,7 @@ out: return error; } -static int chmod_common(const struct path *path, umode_t mode) +int chmod_common(const struct path *path, umode_t mode) { struct inode *inode = path->dentry->d_inode; struct inode *delegated_inode = NULL; @@ -610,7 +610,7 @@ SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode) return err; } -int do_fchmodat(int dfd, const char __user *filename, umode_t mode) +static int do_fchmodat(int dfd, const char __user *filename, umode_t mode) { struct path path; int error; diff --git a/include/linux/init_syscalls.h b/include/linux/init_syscalls.h index 0da59d76133e..2b1b4dc58682 100644 --- a/include/linux/init_syscalls.h +++ b/include/linux/init_syscalls.h @@ -6,5 +6,6 @@ int __init init_umount(const char *name, int flags); int __init init_chdir(const char *filename); int __init init_chroot(const char *filename); int __init init_chown(const char *filename, uid_t user, gid_t group, int flags); +int __init init_chmod(const char *filename, umode_t mode); int __init init_unlink(const char *pathname); int __init init_rmdir(const char *pathname); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index e89d62e944dc..8b71fa321ca2 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -1304,13 +1304,6 @@ static inline long ksys_link(const char __user *oldname, return do_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0); } -extern int do_fchmodat(int dfd, const char __user *filename, umode_t mode); - -static inline int ksys_chmod(const char __user *filename, umode_t mode) -{ - return do_fchmodat(AT_FDCWD, filename, mode); -} - long do_faccessat(int dfd, const char __user *filename, int mode, int flags); static inline long ksys_access(const char __user *filename, int mode) diff --git a/init/initramfs.c b/init/initramfs.c index 358dcd93cb9d..efa9fb70038d 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -350,14 +350,14 @@ static int __init do_name(void) } else if (S_ISDIR(mode)) { ksys_mkdir(collected, mode); init_chown(collected, uid, gid, 0); - ksys_chmod(collected, mode); + init_chmod(collected, mode); dir_add(collected, mtime); } else if (S_ISBLK(mode) || S_ISCHR(mode) || S_ISFIFO(mode) || S_ISSOCK(mode)) { if (maybe_link() == 0) { ksys_mknod(collected, mode, rdev); init_chown(collected, uid, gid, 0); - ksys_chmod(collected, mode); + init_chmod(collected, mode); do_utime(collected, mtime); } } |