diff options
Diffstat (limited to 'drivers/macintosh/nvram.c')
| -rw-r--r-- | drivers/macintosh/nvram.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/macintosh/nvram.c b/drivers/macintosh/nvram.c index b195d753d2e..f0e03e7937e 100644 --- a/drivers/macintosh/nvram.c +++ b/drivers/macintosh/nvram.c @@ -13,7 +13,6 @@ #include <linux/fcntl.h> #include <linux/nvram.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/nvram.h> @@ -21,21 +20,22 @@ static loff_t nvram_llseek(struct file *file, loff_t offset, int origin) { - lock_kernel(); switch (origin) { + case 0: + break; case 1: offset += file->f_pos; break; case 2: offset += NVRAM_SIZE; break; + default: + offset = -1; } - if (offset < 0) { - unlock_kernel(); + if (offset < 0) return -EINVAL; - } + file->f_pos = offset; - unlock_kernel(); return file->f_pos; } @@ -76,8 +76,7 @@ static ssize_t write_nvram(struct file *file, const char __user *buf, return p - buf; } -static int nvram_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long nvram_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { switch(cmd) { case PMAC_NVRAM_GET_OFFSET: @@ -105,7 +104,7 @@ const struct file_operations nvram_fops = { .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, - .ioctl = nvram_ioctl, + .unlocked_ioctl = nvram_ioctl, }; static struct miscdevice nvram_dev = { |