tools/firewire: nosy-dump: remove unused code

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 49 insertions, 56 deletions

diff --git a/tools/firewire/nosy-dump.c b/tools/firewire/nosy-dump.c
index 5241cb402d6b..f93b776370b6 100644
--- a/tools/firewire/nosy-dump.c
+++ b/tools/firewire/nosy-dump.c
@@ -903,11 +903,12 @@ set_input_mode(void)
 
 int main(int argc, const char *argv[])
 {
+        uint32_t buf[128 * 1024];
+        uint32_t filter;
+        int length, retval, view;
         int fd = -1;
         FILE *output = NULL, *input = NULL;
         poptContext con;
-        int retval;
-        int view;
         char c;
         struct pollfd pollfds[2];
 
@@ -961,70 +962,62 @@ int main(int argc, const char *argv[])
 
         setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
 
-        if (1) {
-                uint32_t buf[128 * 1024];
-                uint32_t filter;
-                int length;
+        filter = ~0;
+        if (!option_iso)
+                filter &= ~(1 << TCODE_STREAM_DATA);
+        if (!option_cycle_start)
+                filter &= ~(1 << TCODE_CYCLE_START);
+        if (view == VIEW_STATS)
+                filter = ~(1 << TCODE_CYCLE_START);
 
-                filter = ~0;
-                if (!option_iso)
-                        filter &= ~(1 << TCODE_STREAM_DATA);
-                if (!option_cycle_start)
-                        filter &= ~(1 << TCODE_CYCLE_START);
-                if (view == VIEW_STATS)
-                        filter = ~(1 << TCODE_CYCLE_START);
+        ioctl(fd, NOSY_IOC_FILTER, filter);
 
-                ioctl(fd, NOSY_IOC_FILTER, filter);
+        ioctl(fd, NOSY_IOC_START);
 
-                ioctl(fd, NOSY_IOC_START);
+        pollfds[0].fd = fd;
+        pollfds[0].events = POLLIN;
+        pollfds[1].fd = STDIN_FILENO;
+        pollfds[1].events = POLLIN;
 
-                pollfds[0].fd = fd;
-                pollfds[0].events = POLLIN;
-                pollfds[1].fd = STDIN_FILENO;
-                pollfds[1].events = POLLIN;
-
-                while (run) {
-                        if (input != NULL) {
-                                if (fread(&length, sizeof length, 1, input) != 1)
+        while (run) {
+                if (input != NULL) {
+                        if (fread(&length, sizeof length, 1, input) != 1)
+                                return 0;
+                        fread(buf, 1, length, input);
+                } else {
+                        poll(pollfds, 2, -1);
+                        if (pollfds[1].revents) {
+                                read(STDIN_FILENO, &c, sizeof c);
+                                switch (c) {
+                                case 'q':
+                                        if (output != NULL)
+                                                fclose(output);
                                         return 0;
-                                fread(buf, 1, length, input);
-                        } else {
-                                poll(pollfds, 2, -1);
-                                if (pollfds[1].revents) {
-                                        read(STDIN_FILENO, &c, sizeof c);
-                                        switch (c) {
-                                        case 'q':
-                                                if (output != NULL)
-                                                        fclose(output);
-                                                return 0;
-                                        }
                                 }
-
-                                if (pollfds[0].revents)
-                                        length = read(fd, buf, sizeof buf);
-                                else
-                                        continue;
                         }
 
-                        if (output != NULL) {
-                                fwrite(&length, sizeof length, 1, output);
-                                fwrite(buf, 1, length, output);
-                        }
+                        if (pollfds[0].revents)
+                                length = read(fd, buf, sizeof buf);
+                        else
+                                continue;
+                }
 
-                        switch (view) {
-                        case VIEW_TRANSACTION:
-                                handle_packet(buf, length);
-                                break;
-                        case VIEW_PACKET:
-                                print_packet(buf, length);
-                                break;
-                        case VIEW_STATS:
-                                print_stats(buf, length);
-                                break;
-                        }
+                if (output != NULL) {
+                        fwrite(&length, sizeof length, 1, output);
+                        fwrite(buf, 1, length, output);
+                }
+
+                switch (view) {
+                case VIEW_TRANSACTION:
+                        handle_packet(buf, length);
+                        break;
+                case VIEW_PACKET:
+                        print_packet(buf, length);
+                        break;
+                case VIEW_STATS:
+                        print_stats(buf, length);
+                        break;
                 }
-        } else {
-                poptPrintUsage(con, stdout, 0);
         }
 
         if (output != NULL)