From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: John Kacur <jkacur@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/open.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN fs/open.c~vfs-clarify-that-nonseekable_open-will-never-fail fs/open.c
--- a/fs/open.c~vfs-clarify-that-nonseekable_open-will-never-fail
+++ a/fs/open.c
@@ -1032,7 +1032,9 @@ EXPORT_SYMBOL(generic_file_open);
/*
* This is used by subsystems that don't want seekable
- * file descriptors
+ * file descriptors. The function is not supposed to ever fail, the only
+ * reason it returns an 'int' and not 'void' is so that it can be plugged
+ * directly into file_operations structure.
*/
int nonseekable_open(struct inode *inode, struct file *filp)
{
_
--
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