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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 06:55:49 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 06:55:49 -0300
commitc897df0e2dbc81bcc09c11425658d69830825364 (patch)
tree04c268e4951f2b75acb6873307673e45d05a635e /net/ceph/messenger.c
parent1e9c4d49020996a645a535cbb8f1ff78b9b120f3 (diff)
parent0414855fdc4a40da05221fc6062cccbc0c30f169 (diff)
downloadlinux-next-c897df0e2dbc81bcc09c11425658d69830825364.tar.gz
Merge tag 'v3.14-rc5' into patchwork
Linux 3.14-rc5 * tag 'v3.14-rc5': (1117 commits) Linux 3.14-rc5 drm/vmwgfx: avoid null pointer dereference at failure paths drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date. drm/vmwgfx: Remove some unused surface formats MAINTAINERS: add maintainer entry for Armada DRM driver arm64: Fix !CONFIG_SMP kernel build arm64: mm: Add double logical invert to pte accessors dm cache: fix truncation bug when mapping I/O to >2TB fast device perf tools: Fix strict alias issue for find_first_bit powerpc/powernv: Fix indirect XSCOM unmangling powerpc/powernv: Fix opal_xscom_{read,write} prototype powerpc/powernv: Refactor PHB diag-data dump powerpc/powernv: Dump PHB diag-data immediately powerpc: Increase stack redzone for 64-bit userspace to 512 bytes powerpc/ftrace: bugfix for test_24bit_addr powerpc/crashdump : Fix page frame number check in copy_oldmem_page powerpc/le: Ensure that the 'stop-self' RTAS token is handled correctly kvm, vmx: Really fix lazy FPU on nested guest perf tools: fix BFD detection on opensuse drm/radeon: enable speaker allocation setup on dce3.2 ...
Diffstat (limited to 'net/ceph/messenger.c')
-rw-r--r--net/ceph/messenger.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 0e478a0f4204..30efc5c18622 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -840,9 +840,13 @@ static bool ceph_msg_data_bio_advance(struct ceph_msg_data_cursor *cursor,
if (!cursor->bvec_iter.bi_size) {
bio = bio->bi_next;
- cursor->bvec_iter = bio->bi_iter;
+ cursor->bio = bio;
+ if (bio)
+ cursor->bvec_iter = bio->bi_iter;
+ else
+ memset(&cursor->bvec_iter, 0,
+ sizeof(cursor->bvec_iter));
}
- cursor->bio = bio;
if (!cursor->last_piece) {
BUG_ON(!cursor->resid);