cpqphp_sysfs: switch to fixed_size_llseek()

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

1 files changed, 2 insertions, 20 deletions

diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index 4cb30447a486..17c1f36315d1 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -167,26 +167,8 @@ exit:
 
 static loff_t lseek(struct file *file, loff_t off, int whence)
 {
-        struct ctrl_dbg *dbg;
-        loff_t new = -1;
-
-        mutex_lock(&cpqphp_mutex);
-        dbg = file->private_data;
-
-        switch (whence) {
-        case 0:
-                new = off;
-                break;
-        case 1:
-                new = file->f_pos + off;
-                break;
-        }
-        if (new < 0 || new > dbg->size) {
-                mutex_unlock(&cpqphp_mutex);
-                return -EINVAL;
-        }
-        mutex_unlock(&cpqphp_mutex);
-        return (file->f_pos = new);
+        struct ctrl_dbg *dbg = file->private_data;
+        return fixed_size_llseek(file, off, whence, dbg->size);
 }
 
 static ssize_t read(struct file *file, char __user *buf,