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-rw-r--r--drivers/zorro/proc.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index 3c7046d..4f4ea88 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -22,8 +22,9 @@ static loff_t
proc_bus_zorro_lseek(struct file *file, loff_t off, int whence)
{
loff_t new = -1;
+ struct inode *inode = file->f_path.dentry->d_inode;
- lock_kernel();
+ mutex_lock(&inode->i_mutex);
switch (whence) {
case 0:
new = off;
@@ -35,12 +36,12 @@ proc_bus_zorro_lseek(struct file *file, loff_t off, int whence)
new = sizeof(struct ConfigDev) + off;
break;
}
- if (new < 0 || new > sizeof(struct ConfigDev)) {
- unlock_kernel();
- return -EINVAL;
- }
- unlock_kernel();
- return (file->f_pos = new);
+ if (new < 0 || new > sizeof(struct ConfigDev))
+ new = -EINVAL;
+ else
+ file->f_pos = new;
+ mutex_unlock(&inode->i_mutex);
+ return new;
}
static ssize_t
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