diff options
| author | Vitaly Mayatskikh <[email protected]> | 2017-09-22 05:18:39 +0000 |
|---|---|---|
| committer | Al Viro <[email protected]> | 2017-10-11 03:54:51 +0000 |
| commit | 95d78c28b5a85bacbc29b8dba7c04babb9b0d467 (patch) | |
| tree | 171528916186018b071110eced6ebc55f5d6b3c3 /drivers/net/xen-netback/interface.c | |
| parent | direct-io: Prevent NULL pointer access in submit_page_section (diff) | |
| download | kernel-95d78c28b5a85bacbc29b8dba7c04babb9b0d467.tar.gz kernel-95d78c28b5a85bacbc29b8dba7c04babb9b0d467.zip | |
fix unbalanced page refcounting in bio_map_user_iov
bio_map_user_iov and bio_unmap_user do unbalanced pages refcounting if
IO vector has small consecutive buffers belonging to the same page.
bio_add_pc_page merges them into one, but the page reference is never
dropped.
Cc: [email protected]
Signed-off-by: Vitaly Mayatskikh <[email protected]>
Signed-off-by: Al Viro <[email protected]>
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
0 files changed, 0 insertions, 0 deletions