diff options
Diffstat (limited to 'fs/fat/dir.c')
| -rw-r--r-- | fs/fat/dir.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/fs/fat/dir.c b/fs/fat/dir.c index 530b4ca01510..ee42b9e0b16a 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -19,6 +19,7 @@ #include <linux/buffer_head.h> #include <linux/compat.h> #include <asm/uaccess.h> +#include <linux/kernel.h> #include "fat.h" /* @@ -140,28 +141,22 @@ static int uni16_to_x8(unsigned char *ascii, const wchar_t *uni, int len, { const wchar_t *ip; wchar_t ec; - unsigned char *op, nc; + unsigned char *op; int charlen; - int k; ip = uni; op = ascii; while (*ip && ((len - NLS_MAX_CHARSET_SIZE) > 0)) { ec = *ip++; - if ( (charlen = nls->uni2char(ec, op, NLS_MAX_CHARSET_SIZE)) > 0) { + if ((charlen = nls->uni2char(ec, op, NLS_MAX_CHARSET_SIZE)) > 0) { op += charlen; len -= charlen; } else { if (uni_xlate == 1) { - *op = ':'; - for (k = 4; k > 0; k--) { - nc = ec & 0xF; - op[k] = nc > 9 ? nc + ('a' - 10) - : nc + '0'; - ec >>= 4; - } - op += 5; + *op++ = ':'; + op = pack_hex_byte(op, ec >> 8); + op = pack_hex_byte(op, ec); len -= 5; } else { *op++ = '?'; @@ -758,9 +753,10 @@ static int fat_ioctl_readdir(struct inode *inode, struct file *filp, return ret; } -static int fat_dir_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static long fat_dir_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) { + struct inode *inode = filp->f_path.dentry->d_inode; struct __fat_dirent __user *d1 = (struct __fat_dirent __user *)arg; int short_only, both; @@ -774,7 +770,7 @@ static int fat_dir_ioctl(struct inode *inode, struct file *filp, both = 1; break; default: - return fat_generic_ioctl(inode, filp, cmd, arg); + return fat_generic_ioctl(filp, cmd, arg); } if (!access_ok(VERIFY_WRITE, d1, sizeof(struct __fat_dirent[2]))) @@ -814,7 +810,7 @@ static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd, both = 1; break; default: - return -ENOIOCTLCMD; + return fat_generic_ioctl(filp, cmd, (unsigned long)arg); } if (!access_ok(VERIFY_WRITE, d1, sizeof(struct compat_dirent[2]))) @@ -836,7 +832,7 @@ const struct file_operations fat_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = fat_readdir, - .ioctl = fat_dir_ioctl, + .unlocked_ioctl = fat_dir_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = fat_compat_dir_ioctl, #endif |