deal with the last remaing boolean uses of fd_file()

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Author: Al Viro

drivers/infiniband/core/uverbs_cmd.c

@@ -584,7 +584,7 @@ static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs)
 	if (cmd.fd != -1) {
 		/* search for file descriptor */
 		f = fdget(cmd.fd);
-		if (!fd_file(f)) {
+		if (fd_empty(f)) {
 			ret = -EBADF;
 			goto err_tree_mutex_unlock;
 		}
@@ -632,8 +632,7 @@ static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs)
 		atomic_inc(&xrcd->usecnt);
 	}
 
-	if (fd_file(f))
-		fdput(f);
+	fdput(f);
 
 	mutex_unlock(&ibudev->xrcd_tree_mutex);
 	uobj_finalize_uobj_create(&obj->uobject, attrs);
@@ -648,8 +647,7 @@ static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs)
 	uobj_alloc_abort(&obj->uobject, attrs);
 
 err_tree_mutex_unlock:
-	if (fd_file(f))
-		fdput(f);
+	fdput(f);
 
 	mutex_unlock(&ibudev->xrcd_tree_mutex);
 

include/linux/cleanup.h

@@ -234,7 +234,7 @@ const volatile void * __must_check_fn(const volatile void *val)
  * DEFINE_CLASS(fdget, struct fd, fdput(_T), fdget(fd), int fd)
  *
  *	CLASS(fdget, f)(fd);
- *	if (!fd_file(f))
+ *	if (fd_empty(f))
  *		return -EBADF;
  *
  *	// use 'f' without concern

sound/core/pcm_native.c

@@ -2250,7 +2250,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
 	bool nonatomic = substream->pcm->nonatomic;
 	CLASS(fd, f)(fd);
 
-	if (!fd_file(f))
+	if (fd_empty(f))
 		return -EBADFD;
 	if (!is_pcm_file(fd_file(f)))
 		return -EBADFD;