From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 23 Jun 2013 08:09:11 +0000 (+0400)
Subject: isapnp: switch to fixed_size_llseek()
X-Git-Tag: upstream/snapshot3+hdmi~4813^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c09ed2a6fafe0d4e506b9f2c36a47cf187509885;hp=7233c774080820b611f85a0a057ff4b43e9276f2;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

isapnp: switch to fixed_size_llseek()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c
index 2365ef3..5edee64 100644
--- a/drivers/pnp/isapnp/proc.c
+++ b/drivers/pnp/isapnp/proc.c
@@ -29,27 +29,7 @@ static struct proc_dir_entry *isapnp_proc_bus_dir = NULL;
 
 static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence)
 {
-	loff_t new = -1;
-	struct inode *inode = file_inode(file);
-
-	mutex_lock(&inode->i_mutex);
-	switch (whence) {
-	case 0:
-		new = off;
-		break;
-	case 1:
-		new = file->f_pos + off;
-		break;
-	case 2:
-		new = 256 + off;
-		break;
-	}
-	if (new < 0 || new > 256)
-		new = -EINVAL;
-	else
-		file->f_pos = new;
-	mutex_unlock(&inode->i_mutex);
-	return new;
+	return fixed_size_llseek(file, off, whence, 256);
 }
 
 static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf,