eventfd_ctx_fdget(): use fdget() instead of fget()

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

1 files changed, 5 insertions, 8 deletions

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 35470d9b96e6..d6a88e7812f3 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -349,15 +349,12 @@ EXPORT_SYMBOL_GPL(eventfd_fget);
  */
 struct eventfd_ctx *eventfd_ctx_fdget(int fd)
 {
-        struct file *file;
         struct eventfd_ctx *ctx;
-
-        file = eventfd_fget(fd);
-        if (IS_ERR(file))
-                return (struct eventfd_ctx *) file;
-        ctx = eventfd_ctx_get(file->private_data);
-        fput(file);
-
+        struct fd f = fdget(fd);
+        if (!f.file)
+                return ERR_PTR(-EBADF);
+        ctx = eventfd_ctx_fileget(f.file);
+        fdput(f);
         return ctx;
 }
 EXPORT_SYMBOL_GPL(eventfd_ctx_fdget);