diff options
Diffstat (limited to 'drivers/ieee1394/raw1394.c')
-rw-r--r-- | drivers/ieee1394/raw1394.c | 65 |
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 | ||
593 | static int state_initialized(struct file_info *fi, struct pending_request *req) | 593 | static 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 | ||
679 | static void handle_iso_listen(struct file_info *fi, struct pending_request *req) | 679 | static 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 | ||
889 | static int handle_iso_send(struct file_info *fi, struct pending_request *req, | 889 | static 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 | ||
933 | static int handle_async_send(struct file_info *fi, struct pending_request *req) | 933 | static 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 | ||
1000 | static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer, | 1000 | static 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 | ||
1893 | static int arm_unregister(struct file_info *fi, struct pending_request *req) | 1893 | static 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 | ||
2125 | static int get_config_rom(struct file_info *fi, struct pending_request *req) | 2125 | static 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 | ||
2155 | static int update_config_rom(struct file_info *fi, struct pending_request *req) | 2155 | static 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; |