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authorLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 22:06:08 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 22:06:08 +0100
commit4a037ad5d115b2cc79a5071a7854475f365476fa (patch)
treee456c2eee7b3de32e34612370ce9120af4525ddc /drivers/net/xen-netback/netback.c
parentMerge tag 'perf-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel... (diff)
parentxen-blkback: fix error handling in xen_blkbk_map() (diff)
downloadlinux-4a037ad5d115b2cc79a5071a7854475f365476fa.tar.xz
linux-4a037ad5d115b2cc79a5071a7854475f365476fa.zip
Merge tag 'for-linus-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross: "A series of Xen related security fixes, all related to limited error handling in Xen backend drivers" * tag 'for-linus-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen-blkback: fix error handling in xen_blkbk_map() xen-scsiback: don't "handle" error by BUG() xen-netback: don't "handle" error by BUG() xen-blkback: don't "handle" error by BUG() xen/arm: don't ignore return errors from set_phys_to_machine Xen/gntdev: correct error checking in gntdev_map_grant_pages() Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages() Xen/x86: also check kernel mapping in set_foreign_p2m_mapping() Xen/x86: don't bail early from clear_foreign_p2m_mapping()
Diffstat (limited to 'drivers/net/xen-netback/netback.c')
-rw-r--r--drivers/net/xen-netback/netback.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 19a27dce79d2..e5c73f819662 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1343,13 +1343,11 @@ int xenvif_tx_action(struct xenvif_queue *queue, int budget)
return 0;
gnttab_batch_copy(queue->tx_copy_ops, nr_cops);
- if (nr_mops != 0) {
+ if (nr_mops != 0)
ret = gnttab_map_refs(queue->tx_map_ops,
NULL,
queue->pages_to_map,
nr_mops);
- BUG_ON(ret);
- }
work_done = xenvif_tx_submit(queue);