[PATCH] afs: fix no return statement in function returning non-void

[David Howells]

From: Zheng Zengkai <zhengzengkai@xxxxxxxxxx>

Add missing return to fix following compilation issue:

fs/afs/dir.c: In function ‘afs_dir_set_page_dirty’:
fs/afs/dir.c:51:1: error: no return statement in function
returning non-void [-Werror=return-type]

Fixes: f3ddee8dc4e2 ("afs: Fix directory handling")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Zheng Zengkai <zhengzengkai@xxxxxxxxxx>
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
cc: Tom Rix <trix@xxxxxxxxxx>
cc: linux-afs@xxxxxxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20210327121624.194639-1-zhengzengkai@xxxxxxxxxx/
---

 fs/afs/dir.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 78719f2f567e..c31c21afd2e1 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -48,6 +48,7 @@ static void afs_dir_invalidatepage(struct page *page, unsigned int offset,
 static int afs_dir_set_page_dirty(struct page *page)
 {
 	BUG(); /* This should never happen. */
+	return 0;
 }
 
 const struct file_operations afs_dir_file_operations = {