diff options
-rw-r--r-- | drivers/firewire/ohci.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index c07cfada190a..94260aa76aa3 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c | |||
@@ -1904,15 +1904,30 @@ static int handle_it_packet(struct context *context, | |||
1904 | { | 1904 | { |
1905 | struct iso_context *ctx = | 1905 | struct iso_context *ctx = |
1906 | container_of(context, struct iso_context, context); | 1906 | container_of(context, struct iso_context, context); |
1907 | int i; | ||
1908 | struct descriptor *pd; | ||
1907 | 1909 | ||
1908 | if (last->transfer_status == 0) | 1910 | for (pd = d; pd <= last; pd++) |
1909 | /* This descriptor isn't done yet, stop iteration. */ | 1911 | if (pd->transfer_status) |
1912 | break; | ||
1913 | if (pd > last) | ||
1914 | /* Descriptor(s) not done yet, stop iteration */ | ||
1910 | return 0; | 1915 | return 0; |
1911 | 1916 | ||
1912 | if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS) | 1917 | i = ctx->header_length; |
1918 | if (i + 4 < PAGE_SIZE) { | ||
1919 | /* Present this value as big-endian to match the receive code */ | ||
1920 | *(__be32 *)(ctx->header + i) = cpu_to_be32( | ||
1921 | ((u32)le16_to_cpu(pd->transfer_status) << 16) | | ||
1922 | le16_to_cpu(pd->res_count)); | ||
1923 | ctx->header_length += 4; | ||
1924 | } | ||
1925 | if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS) { | ||
1913 | ctx->base.callback(&ctx->base, le16_to_cpu(last->res_count), | 1926 | ctx->base.callback(&ctx->base, le16_to_cpu(last->res_count), |
1914 | 0, NULL, ctx->base.callback_data); | 1927 | ctx->header_length, ctx->header, |
1915 | 1928 | ctx->base.callback_data); | |
1929 | ctx->header_length = 0; | ||
1930 | } | ||
1916 | return 1; | 1931 | return 1; |
1917 | } | 1932 | } |
1918 | 1933 | ||