From: Andrey Vagin <avagin@xxxxxxxxxx>
Subject: fs/notify: don't show f_handle if exportfs_encode_inode_fh failed
Currently we handle only ENOSPC. In case of other errors the file_handle
variable isn't filled properly and we will show a part of stack.
Signed-off-by: Andrey Vagin <avagin@xxxxxxxxxx>
Acked-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/notify/fdinfo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/notify/fdinfo.c~fs-notify-dont-show-f_handle-if-exportfs_encode_inode_fh-failed fs/notify/fdinfo.c
--- a/fs/notify/fdinfo.c~fs-notify-dont-show-f_handle-if-exportfs_encode_inode_fh-failed
+++ a/fs/notify/fdinfo.c
@@ -50,7 +50,7 @@ static int show_mark_fhandle(struct seq_
size = f.handle.handle_bytes >> 2;
ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle, &size, 0);
- if ((ret == FILEID_INVALID) || (ret == -ENOSPC)) {
+ if ((ret == FILEID_INVALID) || (ret < 0)) {
WARN_ONCE(1, "Can't encode file handler for inotify: %d\n", ret);
return 0;
}
_
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