lib/iov_iter: initialize "flags" in new pipe_buffer

commit 9d2231c5d74e13b2a0546fee6737ee4446017903 upstream.

The functions copy_page_to_iter_pipe() and push_pipe() can both
allocate a new pipe_buffer, but the "flags" member initializer is
missing.

BUG=b/221946805
TEST=presubmit
RELEASE_NOTE=BugFix

cos-patch: bug
Fixes: 241699cd72a8 ("new iov_iter flavour: pipe-backed")
To: Alexander Viro <[email protected]>
To: [email protected]
To: [email protected]
Cc: [email protected]
Signed-off-by: Max Kellermann <[email protected]>
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Change-Id: Ief3118a69270028071234fc163073becdb31952a
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/29964
Reviewed-by: Vaibhav Rustagi <[email protected]>
Tested-by: Cusky Presubmit Bot <[email protected]>
Main-Branch-Verified: Cusky Presubmit Bot <[email protected]>
1 file changed