Use ATTRIBUTE_NORETURN as suggested by tito, plus a few in-passing cleanups.

diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index 896dcbc..5c02a34 100644 (file)
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -399,6 +399,10 @@ static const char * const cmd_feat_str[] = {
        "SMART self-test ",                     /* word 84 bit  1 */
        "SMART error logging "                  /* word 84 bit  0 */
 };
+
+static void identify(uint16_t *id_supplied) ATTRIBUTE_NORETURN;
+static void identify_from_stdin(void) ATTRIBUTE_NORETURN;
+
 #endif
 
 
@@ -629,6 +633,7 @@ static void print_ascii(uint16_t *p, uint8_t length) {
    others, though, were declared in hdparm.c with global scope; since other
    functions in that file have static (file) scope, I assume the difference is
    intentional. */
+
 static void identify(uint16_t *id_supplied)
 {
        uint16_t buf[256];
@@ -2224,14 +2229,11 @@ static void process_dev(char *devname)
                memset(args1, 0, sizeof(args1));
                args1[0] = WIN_IDENTIFY;
                args1[3] = 1;
-               if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)"))
-                       goto identify_abort;
-
-               for (i=0; i<(sizeof args1)/2; i+=2)
-                       __le16_to_cpus((uint16_t *)(&args1[i]));
-               identify((void *)&args1[4]);
-identify_abort:
-       /* VOID */;
+               if (!bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)")) {
+                       for (i=0; i<(sizeof args1)/2; i+=2)
+                               __le16_to_cpus((uint16_t *)(&args1[i]));
+                       identify((void *)&args1[4]);
+               }
        }
 #endif
 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
@@ -2307,7 +2309,7 @@ static int fromhex(unsigned char c)
        bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
 }
 
-static int identify_from_stdin(void)
+static void identify_from_stdin(void)
 {
        unsigned short sbuf[800];
        unsigned char  buf[1600], *b = (unsigned char *)buf;
@@ -2323,7 +2325,6 @@ static int identify_from_stdin(void)
                count -= 5;
        }
        identify(sbuf);
-       return 0;
 }
 #endif
 
@@ -2344,12 +2345,8 @@ int hdparm_main(int argc, char **argv)
 
        while (argc--)
        {
-#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
-               if (!strcmp("-Istdin", *argv))
-               {
-                       return identify_from_stdin();
-               }
-#endif
+               if (ENABLE_FEATURE_HDPARM_GET_IDENTITY && !strcmp("-Istdin", *argv))
+                       identify_from_stdin();
                p = *argv++;
                if (*p == '-')
                {