firewire: fix libdc1394/FlyCap2 iso event regression

[karo-tx-linux.git] / drivers / firewire / ohci.c

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 9e1db6490b9a3bb497b7911d94c42d9fc6190be7..afb701ec90cabd50ceb03b1298beba38e97717b4 100644 (file)
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2749,8 +2749,11 @@ static void copy_iso_headers(struct iso_context *ctx, const u32 *dma_hdr)
 {
        u32 *ctx_hdr;
 
-       if (ctx->header_length + ctx->base.header_size > PAGE_SIZE)
+       if (ctx->header_length + ctx->base.header_size > PAGE_SIZE) {
+               if (ctx->base.drop_overflow_headers)
+                       return;
                flush_iso_completions(ctx);
+       }
 
        ctx_hdr = ctx->header + ctx->header_length;
        ctx->last_timestamp = (u16)le32_to_cpu((__force __le32)dma_hdr[0]);
@@ -2910,8 +2913,11 @@ static int handle_it_packet(struct context *context,
 
        sync_it_packet_for_cpu(context, d);
 
-       if (ctx->header_length + 4 > PAGE_SIZE)
+       if (ctx->header_length + 4 > PAGE_SIZE) {
+               if (ctx->base.drop_overflow_headers)
+                       return 1;
                flush_iso_completions(ctx);
+       }
 
        ctx_hdr = ctx->header + ctx->header_length;
        ctx->last_timestamp = le16_to_cpu(last->res_count);