hfsplus: Push down BKL into ioctl function
HFS is one of the remaining users of the ->ioctl function, convert it
blindly to unlocked_ioctl by pushing down the BKL.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c
index f457d2c..ac405f0 100644
--- a/fs/hfsplus/ioctl.c
+++ b/fs/hfsplus/ioctl.c
@@ -17,14 +17,16 @@
#include <linux/mount.h>
#include <linux/sched.h>
#include <linux/xattr.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include "hfsplus_fs.h"
-int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
+ struct inode *inode = filp->f_path.dentry->d_inode;
unsigned int flags;
+ lock_kernel();
switch (cmd) {
case HFSPLUS_IOC_EXT2_GETFLAGS:
flags = 0;
@@ -38,8 +40,10 @@
case HFSPLUS_IOC_EXT2_SETFLAGS: {
int err = 0;
err = mnt_want_write(filp->f_path.mnt);
- if (err)
+ if (err) {
+ unlock_kernel();
return err;
+ }
if (!is_owner_or_cap(inode)) {
err = -EACCES;
@@ -85,9 +89,11 @@
mark_inode_dirty(inode);
setflags_out:
mnt_drop_write(filp->f_path.mnt);
+ unlock_kernel();
return err;
}
default:
+ unlock_kernel();
return -ENOTTY;
}
}