diff options
Diffstat (limited to 'include/linux/ceph/buffer.h')
| -rw-r--r-- | include/linux/ceph/buffer.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h index 58d19014068f..11cdc7c60480 100644 --- a/include/linux/ceph/buffer.h +++ b/include/linux/ceph/buffer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __FS_CEPH_BUFFER_H #define __FS_CEPH_BUFFER_H @@ -10,14 +11,12 @@ /* * a simple reference counted buffer. * - * use kmalloc for small sizes (<= one page), vmalloc for larger - * sizes. + * use kmalloc for smaller sizes, vmalloc for larger sizes. */ struct ceph_buffer { struct kref kref; struct kvec vec; size_t alloc_len; - bool is_vmalloc; }; extern struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp); @@ -31,7 +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); |