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path: root/drivers/ieee1394/raw1394.c
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Diffstat (limited to 'drivers/ieee1394/raw1394.c')
-rw-r--r--drivers/ieee1394/raw1394.c65
1 files changed, 34 insertions, 31 deletions
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 858fd9ba0143..94a3b6db589c 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -587,7 +587,7 @@ static int state_opened(struct file_info *fi, struct pending_request *req)
587 587
588 req->req.length = 0; 588 req->req.length = 0;
589 queue_complete_req(req); 589 queue_complete_req(req);
590 return sizeof(struct raw1394_request); 590 return 0;
591} 591}
592 592
593static int state_initialized(struct file_info *fi, struct pending_request *req) 593static int state_initialized(struct file_info *fi, struct pending_request *req)
@@ -601,7 +601,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
601 req->req.generation = atomic_read(&internal_generation); 601 req->req.generation = atomic_read(&internal_generation);
602 req->req.length = 0; 602 req->req.length = 0;
603 queue_complete_req(req); 603 queue_complete_req(req);
604 return sizeof(struct raw1394_request); 604 return 0;
605 } 605 }
606 606
607 switch (req->req.type) { 607 switch (req->req.type) {
@@ -673,7 +673,7 @@ out_set_card:
673 } 673 }
674 674
675 queue_complete_req(req); 675 queue_complete_req(req);
676 return sizeof(struct raw1394_request); 676 return 0;
677} 677}
678 678
679static void handle_iso_listen(struct file_info *fi, struct pending_request *req) 679static void handle_iso_listen(struct file_info *fi, struct pending_request *req)
@@ -865,7 +865,7 @@ static int handle_async_request(struct file_info *fi,
865 if (req->req.error) { 865 if (req->req.error) {
866 req->req.length = 0; 866 req->req.length = 0;
867 queue_complete_req(req); 867 queue_complete_req(req);
868 return sizeof(struct raw1394_request); 868 return 0;
869 } 869 }
870 870
871 hpsb_set_packet_complete_task(packet, 871 hpsb_set_packet_complete_task(packet,
@@ -883,7 +883,7 @@ static int handle_async_request(struct file_info *fi,
883 hpsb_free_tlabel(packet); 883 hpsb_free_tlabel(packet);
884 queue_complete_req(req); 884 queue_complete_req(req);
885 } 885 }
886 return sizeof(struct raw1394_request); 886 return 0;
887} 887}
888 888
889static int handle_iso_send(struct file_info *fi, struct pending_request *req, 889static int handle_iso_send(struct file_info *fi, struct pending_request *req,
@@ -907,7 +907,7 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
907 req->req.error = RAW1394_ERROR_MEMFAULT; 907 req->req.error = RAW1394_ERROR_MEMFAULT;
908 req->req.length = 0; 908 req->req.length = 0;
909 queue_complete_req(req); 909 queue_complete_req(req);
910 return sizeof(struct raw1394_request); 910 return 0;
911 } 911 }
912 912
913 req->req.length = 0; 913 req->req.length = 0;
@@ -927,7 +927,7 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
927 queue_complete_req(req); 927 queue_complete_req(req);
928 } 928 }
929 929
930 return sizeof(struct raw1394_request); 930 return 0;
931} 931}
932 932
933static int handle_async_send(struct file_info *fi, struct pending_request *req) 933static int handle_async_send(struct file_info *fi, struct pending_request *req)
@@ -943,7 +943,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
943 req->req.error = RAW1394_ERROR_INVALID_ARG; 943 req->req.error = RAW1394_ERROR_INVALID_ARG;
944 req->req.length = 0; 944 req->req.length = 0;
945 queue_complete_req(req); 945 queue_complete_req(req);
946 return sizeof(struct raw1394_request); 946 return 0;
947 } 947 }
948 948
949 data_size = req->req.length - header_length; 949 data_size = req->req.length - header_length;
@@ -957,7 +957,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
957 req->req.error = RAW1394_ERROR_MEMFAULT; 957 req->req.error = RAW1394_ERROR_MEMFAULT;
958 req->req.length = 0; 958 req->req.length = 0;
959 queue_complete_req(req); 959 queue_complete_req(req);
960 return sizeof(struct raw1394_request); 960 return 0;
961 } 961 }
962 962
963 if (copy_from_user 963 if (copy_from_user
@@ -966,7 +966,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
966 req->req.error = RAW1394_ERROR_MEMFAULT; 966 req->req.error = RAW1394_ERROR_MEMFAULT;
967 req->req.length = 0; 967 req->req.length = 0;
968 queue_complete_req(req); 968 queue_complete_req(req);
969 return sizeof(struct raw1394_request); 969 return 0;
970 } 970 }
971 971
972 packet->type = hpsb_async; 972 packet->type = hpsb_async;
@@ -994,7 +994,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
994 queue_complete_req(req); 994 queue_complete_req(req);
995 } 995 }
996 996
997 return sizeof(struct raw1394_request); 997 return 0;
998} 998}
999 999
1000static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer, 1000static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
@@ -1869,7 +1869,7 @@ static int arm_register(struct file_info *fi, struct pending_request *req)
1869 spin_lock_irqsave(&host_info_lock, flags); 1869 spin_lock_irqsave(&host_info_lock, flags);
1870 list_add_tail(&addr->addr_list, &fi->addr_list); 1870 list_add_tail(&addr->addr_list, &fi->addr_list);
1871 spin_unlock_irqrestore(&host_info_lock, flags); 1871 spin_unlock_irqrestore(&host_info_lock, flags);
1872 return sizeof(struct raw1394_request); 1872 return 0;
1873 } 1873 }
1874 retval = 1874 retval =
1875 hpsb_register_addrspace(&raw1394_highlevel, fi->host, &arm_ops, 1875 hpsb_register_addrspace(&raw1394_highlevel, fi->host, &arm_ops,
@@ -1887,7 +1887,7 @@ static int arm_register(struct file_info *fi, struct pending_request *req)
1887 return (-EALREADY); 1887 return (-EALREADY);
1888 } 1888 }
1889 free_pending_request(req); /* immediate success or fail */ 1889 free_pending_request(req); /* immediate success or fail */
1890 return sizeof(struct raw1394_request); 1890 return 0;
1891} 1891}
1892 1892
1893static int arm_unregister(struct file_info *fi, struct pending_request *req) 1893static int arm_unregister(struct file_info *fi, struct pending_request *req)
@@ -1955,7 +1955,7 @@ static int arm_unregister(struct file_info *fi, struct pending_request *req)
1955 vfree(addr->addr_space_buffer); 1955 vfree(addr->addr_space_buffer);
1956 kfree(addr); 1956 kfree(addr);
1957 free_pending_request(req); /* immediate success or fail */ 1957 free_pending_request(req); /* immediate success or fail */
1958 return sizeof(struct raw1394_request); 1958 return 0;
1959 } 1959 }
1960 retval = 1960 retval =
1961 hpsb_unregister_addrspace(&raw1394_highlevel, fi->host, 1961 hpsb_unregister_addrspace(&raw1394_highlevel, fi->host,
@@ -1971,7 +1971,7 @@ static int arm_unregister(struct file_info *fi, struct pending_request *req)
1971 vfree(addr->addr_space_buffer); 1971 vfree(addr->addr_space_buffer);
1972 kfree(addr); 1972 kfree(addr);
1973 free_pending_request(req); /* immediate success or fail */ 1973 free_pending_request(req); /* immediate success or fail */
1974 return sizeof(struct raw1394_request); 1974 return 0;
1975} 1975}
1976 1976
1977/* Copy data from ARM buffer(s) to user buffer. */ 1977/* Copy data from ARM buffer(s) to user buffer. */
@@ -2013,7 +2013,7 @@ static int arm_get_buf(struct file_info *fi, struct pending_request *req)
2013 * queue no response, and therefore nobody 2013 * queue no response, and therefore nobody
2014 * will free it. */ 2014 * will free it. */
2015 free_pending_request(req); 2015 free_pending_request(req);
2016 return sizeof(struct raw1394_request); 2016 return 0;
2017 } else { 2017 } else {
2018 DBGMSG("arm_get_buf request exceeded mapping"); 2018 DBGMSG("arm_get_buf request exceeded mapping");
2019 spin_unlock_irqrestore(&host_info_lock, flags); 2019 spin_unlock_irqrestore(&host_info_lock, flags);
@@ -2065,7 +2065,7 @@ static int arm_set_buf(struct file_info *fi, struct pending_request *req)
2065 * queue no response, and therefore nobody 2065 * queue no response, and therefore nobody
2066 * will free it. */ 2066 * will free it. */
2067 free_pending_request(req); 2067 free_pending_request(req);
2068 return sizeof(struct raw1394_request); 2068 return 0;
2069 } else { 2069 } else {
2070 DBGMSG("arm_set_buf request exceeded mapping"); 2070 DBGMSG("arm_set_buf request exceeded mapping");
2071 spin_unlock_irqrestore(&host_info_lock, flags); 2071 spin_unlock_irqrestore(&host_info_lock, flags);
@@ -2086,7 +2086,7 @@ static int reset_notification(struct file_info *fi, struct pending_request *req)
2086 (req->req.misc == RAW1394_NOTIFY_ON)) { 2086 (req->req.misc == RAW1394_NOTIFY_ON)) {
2087 fi->notification = (u8) req->req.misc; 2087 fi->notification = (u8) req->req.misc;
2088 free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */ 2088 free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */
2089 return sizeof(struct raw1394_request); 2089 return 0;
2090 } 2090 }
2091 /* error EINVAL (22) invalid argument */ 2091 /* error EINVAL (22) invalid argument */
2092 return (-EINVAL); 2092 return (-EINVAL);
@@ -2119,12 +2119,12 @@ static int write_phypacket(struct file_info *fi, struct pending_request *req)
2119 req->req.length = 0; 2119 req->req.length = 0;
2120 queue_complete_req(req); 2120 queue_complete_req(req);
2121 } 2121 }
2122 return sizeof(struct raw1394_request); 2122 return 0;
2123} 2123}
2124 2124
2125static int get_config_rom(struct file_info *fi, struct pending_request *req) 2125static int get_config_rom(struct file_info *fi, struct pending_request *req)
2126{ 2126{
2127 int ret = sizeof(struct raw1394_request); 2127 int ret = 0;
2128 quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL); 2128 quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL);
2129 int status; 2129 int status;
2130 2130
@@ -2154,7 +2154,7 @@ static int get_config_rom(struct file_info *fi, struct pending_request *req)
2154 2154
2155static int update_config_rom(struct file_info *fi, struct pending_request *req) 2155static int update_config_rom(struct file_info *fi, struct pending_request *req)
2156{ 2156{
2157 int ret = sizeof(struct raw1394_request); 2157 int ret = 0;
2158 quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL); 2158 quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL);
2159 if (!data) 2159 if (!data)
2160 return -ENOMEM; 2160 return -ENOMEM;
@@ -2221,7 +2221,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
2221 2221
2222 hpsb_update_config_rom_image(fi->host); 2222 hpsb_update_config_rom_image(fi->host);
2223 free_pending_request(req); 2223 free_pending_request(req);
2224 return sizeof(struct raw1394_request); 2224 return 0;
2225 } 2225 }
2226 } 2226 }
2227 2227
@@ -2286,7 +2286,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
2286 /* we have to free the request, because we queue no response, 2286 /* we have to free the request, because we queue no response,
2287 * and therefore nobody will free it */ 2287 * and therefore nobody will free it */
2288 free_pending_request(req); 2288 free_pending_request(req);
2289 return sizeof(struct raw1394_request); 2289 return 0;
2290 } else { 2290 } else {
2291 for (dentry = 2291 for (dentry =
2292 fi->csr1212_dirs[dr]->value.directory.dentries_head; 2292 fi->csr1212_dirs[dr]->value.directory.dentries_head;
@@ -2311,7 +2311,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
2311 2311
2312 case RAW1394_REQ_ECHO: 2312 case RAW1394_REQ_ECHO:
2313 queue_complete_req(req); 2313 queue_complete_req(req);
2314 return sizeof(struct raw1394_request); 2314 return 0;
2315 2315
2316 case RAW1394_REQ_ISO_SEND: 2316 case RAW1394_REQ_ISO_SEND:
2317 print_old_iso_deprecation(); 2317 print_old_iso_deprecation();
@@ -2335,24 +2335,24 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
2335 case RAW1394_REQ_ISO_LISTEN: 2335 case RAW1394_REQ_ISO_LISTEN:
2336 print_old_iso_deprecation(); 2336 print_old_iso_deprecation();
2337 handle_iso_listen(fi, req); 2337 handle_iso_listen(fi, req);
2338 return sizeof(struct raw1394_request); 2338 return 0;
2339 2339
2340 case RAW1394_REQ_FCP_LISTEN: 2340 case RAW1394_REQ_FCP_LISTEN:
2341 handle_fcp_listen(fi, req); 2341 handle_fcp_listen(fi, req);
2342 return sizeof(struct raw1394_request); 2342 return 0;
2343 2343
2344 case RAW1394_REQ_RESET_BUS: 2344 case RAW1394_REQ_RESET_BUS:
2345 if (req->req.misc == RAW1394_LONG_RESET) { 2345 if (req->req.misc == RAW1394_LONG_RESET) {
2346 DBGMSG("busreset called (type: LONG)"); 2346 DBGMSG("busreset called (type: LONG)");
2347 hpsb_reset_bus(fi->host, LONG_RESET); 2347 hpsb_reset_bus(fi->host, LONG_RESET);
2348 free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */ 2348 free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */
2349 return sizeof(struct raw1394_request); 2349 return 0;
2350 } 2350 }
2351 if (req->req.misc == RAW1394_SHORT_RESET) { 2351 if (req->req.misc == RAW1394_SHORT_RESET) {
2352 DBGMSG("busreset called (type: SHORT)"); 2352 DBGMSG("busreset called (type: SHORT)");
2353 hpsb_reset_bus(fi->host, SHORT_RESET); 2353 hpsb_reset_bus(fi->host, SHORT_RESET);
2354 free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */ 2354 free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */
2355 return sizeof(struct raw1394_request); 2355 return 0;
2356 } 2356 }
2357 /* error EINVAL (22) invalid argument */ 2357 /* error EINVAL (22) invalid argument */
2358 return (-EINVAL); 2358 return (-EINVAL);
@@ -2371,7 +2371,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
2371 req->req.generation = get_hpsb_generation(fi->host); 2371 req->req.generation = get_hpsb_generation(fi->host);
2372 req->req.length = 0; 2372 req->req.length = 0;
2373 queue_complete_req(req); 2373 queue_complete_req(req);
2374 return sizeof(struct raw1394_request); 2374 return 0;
2375 } 2375 }
2376 2376
2377 switch (req->req.type) { 2377 switch (req->req.type) {
@@ -2384,7 +2384,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
2384 if (req->req.length == 0) { 2384 if (req->req.length == 0) {
2385 req->req.error = RAW1394_ERROR_INVALID_ARG; 2385 req->req.error = RAW1394_ERROR_INVALID_ARG;
2386 queue_complete_req(req); 2386 queue_complete_req(req);
2387 return sizeof(struct raw1394_request); 2387 return 0;
2388 } 2388 }
2389 2389
2390 return handle_async_request(fi, req, node); 2390 return handle_async_request(fi, req, node);
@@ -2395,7 +2395,7 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
2395{ 2395{
2396 struct file_info *fi = (struct file_info *)file->private_data; 2396 struct file_info *fi = (struct file_info *)file->private_data;
2397 struct pending_request *req; 2397 struct pending_request *req;
2398 ssize_t retval = 0; 2398 ssize_t retval = -EBADFD;
2399 2399
2400#ifdef CONFIG_COMPAT 2400#ifdef CONFIG_COMPAT
2401 if (count == sizeof(struct compat_raw1394_req) && 2401 if (count == sizeof(struct compat_raw1394_req) &&
@@ -2437,6 +2437,9 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
2437 2437
2438 if (retval < 0) { 2438 if (retval < 0) {
2439 free_pending_request(req); 2439 free_pending_request(req);
2440 } else {
2441 BUG_ON(retval);
2442 retval = count;
2440 } 2443 }
2441 2444
2442 return retval; 2445 return retval;