diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/compat.c | 23 | ||||
| -rw-r--r-- | fs/stat.c | 29 | ||||
| -rw-r--r-- | fs/utimes.c | 7 |
3 files changed, 35 insertions, 24 deletions
diff --git a/fs/compat.c b/fs/compat.c index e6d5d70cf3cf..718c7062aec1 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -77,7 +77,8 @@ int compat_printk(const char *fmt, ...) * Not all architectures have sys_utime, so implement this in terms * of sys_utimes. */ -asmlinkage long compat_sys_utime(char __user *filename, struct compat_utimbuf __user *t) +asmlinkage long compat_sys_utime(const char __user *filename, + struct compat_utimbuf __user *t) { struct timespec tv[2]; @@ -91,7 +92,7 @@ asmlinkage long compat_sys_utime(char __user *filename, struct compat_utimbuf __ return do_utimes(AT_FDCWD, filename, t ? tv : NULL, 0); } -asmlinkage long compat_sys_utimensat(unsigned int dfd, char __user *filename, struct compat_timespec __user *t, int flags) +asmlinkage long compat_sys_utimensat(unsigned int dfd, const char __user *filename, struct compat_timespec __user *t, int flags) { struct timespec tv[2]; @@ -106,7 +107,7 @@ asmlinkage long compat_sys_utimensat(unsigned int dfd, char __user *filename, st return do_utimes(dfd, filename, t ? tv : NULL, flags); } -asmlinkage long compat_sys_futimesat(unsigned int dfd, char __user *filename, struct compat_timeval __user *t) +asmlinkage long compat_sys_futimesat(unsigned int dfd, const char __user *filename, struct compat_timeval __user *t) { struct timespec tv[2]; @@ -125,7 +126,7 @@ asmlinkage long compat_sys_futimesat(unsigned int dfd, char __user *filename, st return do_utimes(dfd, filename, t ? tv : NULL, 0); } -asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval __user *t) +asmlinkage long compat_sys_utimes(const char __user *filename, struct compat_timeval __user *t) { return compat_sys_futimesat(AT_FDCWD, filename, t); } @@ -169,7 +170,7 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) return err; } -asmlinkage long compat_sys_newstat(char __user * filename, +asmlinkage long compat_sys_newstat(const char __user * filename, struct compat_stat __user *statbuf) { struct kstat stat; @@ -181,7 +182,7 @@ asmlinkage long compat_sys_newstat(char __user * filename, return cp_compat_stat(&stat, statbuf); } -asmlinkage long compat_sys_newlstat(char __user * filename, +asmlinkage long compat_sys_newlstat(const char __user * filename, struct compat_stat __user *statbuf) { struct kstat stat; @@ -194,7 +195,8 @@ asmlinkage long compat_sys_newlstat(char __user * filename, } #ifndef __ARCH_WANT_STAT64 -asmlinkage long compat_sys_newfstatat(unsigned int dfd, char __user *filename, +asmlinkage long compat_sys_newfstatat(unsigned int dfd, + const char __user *filename, struct compat_stat __user *statbuf, int flag) { struct kstat stat; @@ -837,9 +839,10 @@ static int do_nfs4_super_data_conv(void *raw_data) #define NCPFS_NAME "ncpfs" #define NFS4_NAME "nfs4" -asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name, - char __user * type, unsigned long flags, - void __user * data) +asmlinkage long compat_sys_mount(const char __user * dev_name, + const char __user * dir_name, + const char __user * type, unsigned long flags, + const void __user * data) { char *kernel_type; unsigned long data_page; diff --git a/fs/stat.c b/fs/stat.c index c4ecd52c5737..12e90e213900 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -68,7 +68,8 @@ int vfs_fstat(unsigned int fd, struct kstat *stat) } EXPORT_SYMBOL(vfs_fstat); -int vfs_fstatat(int dfd, char __user *filename, struct kstat *stat, int flag) +int vfs_fstatat(int dfd, const char __user *filename, struct kstat *stat, + int flag) { struct path path; int error = -EINVAL; @@ -91,13 +92,13 @@ out: } EXPORT_SYMBOL(vfs_fstatat); -int vfs_stat(char __user *name, struct kstat *stat) +int vfs_stat(const char __user *name, struct kstat *stat) { return vfs_fstatat(AT_FDCWD, name, stat, 0); } EXPORT_SYMBOL(vfs_stat); -int vfs_lstat(char __user *name, struct kstat *stat) +int vfs_lstat(const char __user *name, struct kstat *stat) { return vfs_fstatat(AT_FDCWD, name, stat, AT_SYMLINK_NOFOLLOW); } @@ -147,7 +148,8 @@ static int cp_old_stat(struct kstat *stat, struct __old_kernel_stat __user * sta return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; } -SYSCALL_DEFINE2(stat, char __user *, filename, struct __old_kernel_stat __user *, statbuf) +SYSCALL_DEFINE2(stat, const char __user *, filename, + struct __old_kernel_stat __user *, statbuf) { struct kstat stat; int error; @@ -159,7 +161,8 @@ SYSCALL_DEFINE2(stat, char __user *, filename, struct __old_kernel_stat __user * return cp_old_stat(&stat, statbuf); } -SYSCALL_DEFINE2(lstat, char __user *, filename, struct __old_kernel_stat __user *, statbuf) +SYSCALL_DEFINE2(lstat, const char __user *, filename, + struct __old_kernel_stat __user *, statbuf) { struct kstat stat; int error; @@ -234,7 +237,8 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf) return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; } -SYSCALL_DEFINE2(newstat, char __user *, filename, struct stat __user *, statbuf) +SYSCALL_DEFINE2(newstat, const char __user *, filename, + struct stat __user *, statbuf) { struct kstat stat; int error = vfs_stat(filename, &stat); @@ -244,7 +248,8 @@ SYSCALL_DEFINE2(newstat, char __user *, filename, struct stat __user *, statbuf) return cp_new_stat(&stat, statbuf); } -SYSCALL_DEFINE2(newlstat, char __user *, filename, struct stat __user *, statbuf) +SYSCALL_DEFINE2(newlstat, const char __user *, filename, + struct stat __user *, statbuf) { struct kstat stat; int error; @@ -257,7 +262,7 @@ SYSCALL_DEFINE2(newlstat, char __user *, filename, struct stat __user *, statbuf } #if !defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_SYS_NEWFSTATAT) -SYSCALL_DEFINE4(newfstatat, int, dfd, char __user *, filename, +SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename, struct stat __user *, statbuf, int, flag) { struct kstat stat; @@ -355,7 +360,8 @@ static long cp_new_stat64(struct kstat *stat, struct stat64 __user *statbuf) return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; } -SYSCALL_DEFINE2(stat64, char __user *, filename, struct stat64 __user *, statbuf) +SYSCALL_DEFINE2(stat64, const char __user *, filename, + struct stat64 __user *, statbuf) { struct kstat stat; int error = vfs_stat(filename, &stat); @@ -366,7 +372,8 @@ SYSCALL_DEFINE2(stat64, char __user *, filename, struct stat64 __user *, statbuf return error; } -SYSCALL_DEFINE2(lstat64, char __user *, filename, struct stat64 __user *, statbuf) +SYSCALL_DEFINE2(lstat64, const char __user *, filename, + struct stat64 __user *, statbuf) { struct kstat stat; int error = vfs_lstat(filename, &stat); @@ -388,7 +395,7 @@ SYSCALL_DEFINE2(fstat64, unsigned long, fd, struct stat64 __user *, statbuf) return error; } -SYSCALL_DEFINE4(fstatat64, int, dfd, char __user *, filename, +SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename, struct stat64 __user *, statbuf, int, flag) { struct kstat stat; diff --git a/fs/utimes.c b/fs/utimes.c index e4c75db5d373..179b58690657 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -126,7 +126,8 @@ out: * must be owner or have write permission. * Else, update from *times, must be owner or super user. */ -long do_utimes(int dfd, char __user *filename, struct timespec *times, int flags) +long do_utimes(int dfd, const char __user *filename, struct timespec *times, + int flags) { int error = -EINVAL; @@ -170,7 +171,7 @@ out: return error; } -SYSCALL_DEFINE4(utimensat, int, dfd, char __user *, filename, +SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename, struct timespec __user *, utimes, int, flags) { struct timespec tstimes[2]; @@ -188,7 +189,7 @@ SYSCALL_DEFINE4(utimensat, int, dfd, char __user *, filename, return do_utimes(dfd, filename, utimes ? tstimes : NULL, flags); } -SYSCALL_DEFINE3(futimesat, int, dfd, char __user *, filename, +SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename, struct timeval __user *, utimes) { struct timeval times[2]; |