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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-22 00:06:08 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-22 00:06:08 +0300 |
| commit | 4a037ad5d115b2cc79a5071a7854475f365476fa (patch) | |
| tree | e456c2eee7b3de32e34612370ce9120af4525ddc /drivers/xen/xen-scsiback.c | |
| parent | d310ec03a34e92a77302edb804f7d68ee4f01ba0 (diff) | |
| parent | 871997bc9e423f05c7da7c9178e62dde5df2a7f8 (diff) | |
| download | linux-4a037ad5d115b2cc79a5071a7854475f365476fa.tar.xz | |
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/xen/xen-scsiback.c')
| -rw-r--r-- | drivers/xen/xen-scsiback.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 8b59897b2df9..f3024942fbdf 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -386,12 +386,12 @@ static int scsiback_gnttab_data_map_batch(struct gnttab_map_grant_ref *map, return 0; err = gnttab_map_refs(map, NULL, pg, cnt); - BUG_ON(err); for (i = 0; i < cnt; i++) { if (unlikely(map[i].status != GNTST_okay)) { pr_err("invalid buffer -- could not remap it\n"); map[i].handle = SCSIBACK_INVALID_HANDLE; - err = -ENOMEM; + if (!err) + err = -ENOMEM; } else { get_page(pg[i]); } |