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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-08-23 09:19:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-08-23 09:19:38 -0700 |
| commit | 4e5639449069d12e95edc10b63acf170843e1706 (patch) | |
| tree | 5137187754c4d903b4a16e98955149f2e4624d37 /include | |
| parent | Merge tag 'drm-fixes-2019-08-23' of git://anongit.freedesktop.org/drm/drm (diff) | |
| parent | libceph: fix PG split vs OSD (re)connect race (diff) | |
| download | linux-dev-4e5639449069d12e95edc10b63acf170843e1706.tar.xz linux-dev-4e5639449069d12e95edc10b63acf170843e1706.zip | |
Merge tag 'ceph-for-5.3-rc6' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Three important fixes tagged for stable (an indefinite hang, a crash
on an assert and a NULL pointer dereference) plus a small series from
Luis fixing instances of vfree() under spinlock"
* tag 'ceph-for-5.3-rc6' of git://github.com/ceph/ceph-client:
libceph: fix PG split vs OSD (re)connect race
ceph: don't try fill file_lock on unsuccessful GETFILELOCK reply
ceph: clear page dirty before invalidate page
ceph: fix buffer free while holding i_ceph_lock in fill_inode()
ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob()
ceph: fix buffer free while holding i_ceph_lock in __ceph_setxattr()
libceph: allow ceph_buffer_put() to receive a NULL ceph_buffer
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ceph/buffer.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h index 5e58bb29b1a3..11cdc7c60480 100644 --- a/include/linux/ceph/buffer.h +++ b/include/linux/ceph/buffer.h @@ -30,7 +30,8 @@ static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b) static inline void ceph_buffer_put(struct ceph_buffer *b) { - kref_put(&b->kref, ceph_buffer_release); + if (b) + kref_put(&b->kref, ceph_buffer_release); } extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end); |