Merge "msm: ipa3: Fix fast_replenish race condition." (f2904d01) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/platform/msm/ipa/ipa_v3/ipa_dp.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1836,6 +1836,8 @@ static void ipa3_fast_replenish_rx_cache(struct ipa3_sys_context *sys)
		struct gsi_xfer_elem gsi_xfer_elem_one;
		u32 curr;

		spin_lock_bh(&sys->spinlock);

		rx_len_cached = sys->len;
		curr = atomic_read(&sys->repl.head_idx);

		@@ -1878,6 +1880,7 @@ static void ipa3_fast_replenish_rx_cache(struct ipa3_sys_context *sys)
		mb();
		atomic_set(&sys->repl.head_idx, curr);
		}
		spin_unlock_bh(&sys->spinlock);

		queue_work(sys->repl_wq, &sys->repl_work);