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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2018-01-03 12:14:04 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2018-01-03 12:14:04 +0300
commit3bdf481e39ff1d36c1f2e1b3862db2ac329b12cd (patch)
tree91ad50553511f1cb4583edce10c16371f69fa7aa /net/sctp/ulpqueue.c
parentd0c8f6ad8b381dd572576ac50b9696d4d31142bb (diff)
parent30a7acd573899fd8b8ac39236eff6468b195ac7d (diff)
downloadlinux-3bdf481e39ff1d36c1f2e1b3862db2ac329b12cd.tar.xz
Merge tag 'v4.15-rc6' into patchwork
Linux 4.15-rc6 * tag 'v4.15-rc6': (734 commits) Linux 4.15-rc6 MAINTAINERS: mark arch/blackfin/ and its gubbins as orphaned x86/ldt: Make LDT pgtable free conditional x86/ldt: Plug memory leak in error path x86/mm: Remove preempt_disable/enable() from __native_flush_tlb() x86/smpboot: Remove stale TLB flush invocations objtool: Fix seg fault with clang-compiled objects objtool: Fix seg fault caused by missing parameter kbuild: add '-fno-stack-check' to kernel build options timerqueue: Document return values of timerqueue_add/del() timers: Invoke timer_start_debug() where it makes sense nohz: Prevent a timer interrupt storm in tick_nohz_stop_sched_tick() timers: Reinitialize per cpu bases on hotplug timers: Use deferrable base independent of base::nohz_active genirq/msi, x86/vector: Prevent reservation mode for non maskable MSI genirq/irqdomain: Rename early argument of irq_domain_activate_irq() x86/vector: Use IRQD_CAN_RESERVE flag genirq: Introduce IRQD_CAN_RESERVE flag genirq/msi: Handle reactivation only on success gpio: brcmstb: Make really use of the new lockdep class ...
Diffstat (limited to 'net/sctp/ulpqueue.c')
-rw-r--r--net/sctp/ulpqueue.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index a71be33f3afe..e36ec5dd64c6 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -1084,29 +1084,21 @@ void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
gfp_t gfp)
{
- struct sctp_association *asoc;
- __u16 needed, freed;
-
- asoc = ulpq->asoc;
+ struct sctp_association *asoc = ulpq->asoc;
+ __u32 freed = 0;
+ __u16 needed;
- if (chunk) {
- needed = ntohs(chunk->chunk_hdr->length);
- needed -= sizeof(struct sctp_data_chunk);
- } else
- needed = SCTP_DEFAULT_MAXWINDOW;
-
- freed = 0;
+ needed = ntohs(chunk->chunk_hdr->length) -
+ sizeof(struct sctp_data_chunk);
if (skb_queue_empty(&asoc->base.sk->sk_receive_queue)) {
freed = sctp_ulpq_renege_order(ulpq, needed);
- if (freed < needed) {
+ if (freed < needed)
freed += sctp_ulpq_renege_frags(ulpq, needed - freed);
- }
}
/* If able to free enough room, accept this chunk. */
- if (chunk && (freed >= needed)) {
- int retval;
- retval = sctp_ulpq_tail_data(ulpq, chunk, gfp);
+ if (freed >= needed) {
+ int retval = sctp_ulpq_tail_data(ulpq, chunk, gfp);
/*
* Enter partial delivery if chunk has not been
* delivered; otherwise, drain the reassembly queue.