staging/lustre: Properly cast ll_fid2path argument to __user in ll_file_ioctl

When calling ll_fid2path, it expects a userspace pointer.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Drokin
2016-01-03 12:05:56 -05:00
committed by Greg Kroah-Hartman
parent 02f9c12e32
commit 61dad0ba9a

View File

@@ -2296,7 +2296,7 @@ ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return 0;
}
case OBD_IOC_FID2PATH:
return ll_fid2path(inode, (void *)arg);
return ll_fid2path(inode, (void __user *)arg);
case LL_IOC_DATA_VERSION: {
struct ioc_data_version idv;
int rc;