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path: root/drivers/media/dvb/firewire/firedtv-fw.c
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Diffstat (limited to 'drivers/media/dvb/firewire/firedtv-fw.c')
-rw-r--r--drivers/media/dvb/firewire/firedtv-fw.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/media/dvb/firewire/firedtv-fw.c b/drivers/media/dvb/firewire/firedtv-fw.c
index fe44789ab037..6223bf01efe9 100644
--- a/drivers/media/dvb/firewire/firedtv-fw.c
+++ b/drivers/media/dvb/firewire/firedtv-fw.c
@@ -202,14 +202,8 @@ static void handle_fcp(struct fw_card *card, struct fw_request *request,
202 unsigned long flags; 202 unsigned long flags;
203 int su; 203 int su;
204 204
205 if ((tcode != TCODE_WRITE_QUADLET_REQUEST && 205 if (length < 2 || (((u8 *)payload)[0] & 0xf0) != 0)
206 tcode != TCODE_WRITE_BLOCK_REQUEST) ||
207 offset != CSR_REGISTER_BASE + CSR_FCP_RESPONSE ||
208 length == 0 ||
209 (((u8 *)payload)[0] & 0xf0) != 0) {
210 fw_send_response(card, request, RCODE_TYPE_ERROR);
211 return; 206 return;
212 }
213 207
214 su = ((u8 *)payload)[1] & 0x7; 208 su = ((u8 *)payload)[1] & 0x7;
215 209
@@ -230,10 +224,8 @@ static void handle_fcp(struct fw_card *card, struct fw_request *request,
230 } 224 }
231 spin_unlock_irqrestore(&node_list_lock, flags); 225 spin_unlock_irqrestore(&node_list_lock, flags);
232 226
233 if (fdtv) { 227 if (fdtv)
234 avc_recv(fdtv, payload, length); 228 avc_recv(fdtv, payload, length);
235 fw_send_response(card, request, RCODE_COMPLETE);
236 }
237} 229}
238 230
239static struct fw_address_handler fcp_handler = { 231static struct fw_address_handler fcp_handler = {