diff options
| author | Xiu Jianfeng <xiujianfeng@huawei.com> | 2022-11-11 17:18:35 +0800 |
|---|---|---|
| committer | Chuck Lever <cel@kernel.org> | 2022-12-10 11:01:11 -0500 |
| commit | 85a0d0c9a58002ef7d1bf5e3ea630f4fbd42a4f0 (patch) | |
| tree | eb5861f0b65c6ac68b77b9d9266b97805d86ffb6 /fs/nfsd | |
| parent | 01d53a88c08951f88f2a42f1f1e6568928e0590e (diff) | |
NFSD: Use struct_size() helper in alloc_session()
Use struct_size() helper to simplify the code, no functional changes.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 2ec981fd2985..97badca3135e 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1833,13 +1833,12 @@ static struct nfsd4_session *alloc_session(struct nfsd4_channel_attrs *fattrs, int numslots = fattrs->maxreqs; int slotsize = slot_bytes(fattrs); struct nfsd4_session *new; - int mem, i; + int i; - BUILD_BUG_ON(NFSD_MAX_SLOTS_PER_SESSION * sizeof(struct nfsd4_slot *) - + sizeof(struct nfsd4_session) > PAGE_SIZE); - mem = numslots * sizeof(struct nfsd4_slot *); + BUILD_BUG_ON(struct_size(new, se_slots, NFSD_MAX_SLOTS_PER_SESSION) + > PAGE_SIZE); - new = kzalloc(sizeof(*new) + mem, GFP_KERNEL); + new = kzalloc(struct_size(new, se_slots, numslots), GFP_KERNEL); if (!new) return NULL; /* allocate each struct nfsd4_slot and data cache in one piece */ |