commit 2903ff019b346ab8d36ebbf54853c3aaf6590608
author Al Viro <viro@zeniv.linux.org.uk> Tue Aug 28 12:52:22 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Wed Sep 26 22:20:08 2012 -0400
tree 962d94054765bb37bc00e977c3036e65c5fd91fe
parent a5b470ba06aa3f96999ede5feba178df6bdb134a

switch simple cases of fget_light to fdget

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

fs/compat_ioctl.c

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index debdfe0..48f1987 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -1531,16 +1531,13 @@
 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
 				unsigned long arg)
 {
-	struct file *filp;
+	struct fd f = fdget(fd);
 	int error = -EBADF;
-	int fput_needed;
-
-	filp = fget_light(fd, &fput_needed);
-	if (!filp)
+	if (!f.file)
 		goto out;
 
 	/* RED-PEN how should LSM module know it's handling 32bit? */
-	error = security_file_ioctl(filp, cmd, arg);
+	error = security_file_ioctl(f.file, cmd, arg);
 	if (error)
 		goto out_fput;
 
@@ -1560,30 +1557,30 @@
 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
 	case FS_IOC_RESVSP_32:
 	case FS_IOC_RESVSP64_32:
-		error = compat_ioctl_preallocate(filp, compat_ptr(arg));
+		error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
 		goto out_fput;
 #else
 	case FS_IOC_RESVSP:
 	case FS_IOC_RESVSP64:
-		error = ioctl_preallocate(filp, compat_ptr(arg));
+		error = ioctl_preallocate(f.file, compat_ptr(arg));
 		goto out_fput;
 #endif
 
 	case FIBMAP:
 	case FIGETBSZ:
 	case FIONREAD:
-		if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
+		if (S_ISREG(f.file->f_path.dentry->d_inode->i_mode))
 			break;
 		/*FALL THROUGH*/
 
 	default:
-		if (filp->f_op && filp->f_op->compat_ioctl) {
-			error = filp->f_op->compat_ioctl(filp, cmd, arg);
+		if (f.file->f_op && f.file->f_op->compat_ioctl) {
+			error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
 			if (error != -ENOIOCTLCMD)
 				goto out_fput;
 		}
 
-		if (!filp->f_op || !filp->f_op->unlocked_ioctl)
+		if (!f.file->f_op || !f.file->f_op->unlocked_ioctl)
 			goto do_ioctl;
 		break;
 	}
@@ -1591,7 +1588,7 @@
 	if (compat_ioctl_check_table(XFORM(cmd)))
 		goto found_handler;
 
-	error = do_ioctl_trans(fd, cmd, arg, filp);
+	error = do_ioctl_trans(fd, cmd, arg, f.file);
 	if (error == -ENOIOCTLCMD)
 		error = -ENOTTY;
 
@@ -1600,9 +1597,9 @@
  found_handler:
 	arg = (unsigned long)compat_ptr(arg);
  do_ioctl:
-	error = do_vfs_ioctl(filp, fd, cmd, arg);
+	error = do_vfs_ioctl(f.file, fd, cmd, arg);
  out_fput:
-	fput_light(filp, fput_needed);
+	fdput(f);
  out:
 	return error;
 }