Author: mav
Date: Mon Feb  4 01:20:56 2019
New Revision: 343727
URL: https://svnweb.freebsd.org/changeset/base/343727

Log:
  Use switch instead of chained if/else to improve readability.
  
  Submitted by: Ryan Moeller <[email protected]>
  MFC after:    1 week
  Sponsored by: iXsystems, Inc.
  Differential Revision:        https://reviews.freebsd.org/D19051

Modified:
  head/sys/cam/scsi/scsi_enc_ses.c

Modified: head/sys/cam/scsi/scsi_enc_ses.c
==============================================================================
--- head/sys/cam/scsi/scsi_enc_ses.c    Sun Feb  3 22:49:01 2019        
(r343726)
+++ head/sys/cam/scsi/scsi_enc_ses.c    Mon Feb  4 01:20:56 2019        
(r343727)
@@ -2729,13 +2729,13 @@ ses_handle_string(enc_softc_t *enc, encioc_string_t *s
        if (sstr->bufsiz > 0xffff)
                return (EINVAL); /* buffer size too large */
 
-       if (ioc == ENCIOC_SETSTRING) {
+       switch (ioc) {
+       case ENCIOC_SETSTRING:
                payload = sstr->bufsiz + 4; /* header for SEND DIAGNOSTIC */
                amt = 0 - payload;
                buf = ENC_MALLOC(payload);
                if (buf == NULL)
-                       return ENOMEM;
-
+                       return (ENOMEM);
                ses_page_cdb(cdb, payload, 0, CAM_DIR_OUT);
                /* Construct the page request */
                buf[0] = SesStringOut;
@@ -2743,12 +2743,14 @@ ses_handle_string(enc_softc_t *enc, encioc_string_t *s
                buf[2] = sstr->bufsiz >> 8;
                buf[3] = sstr->bufsiz & 0xff;
                memcpy(&buf[4], sstr->buf, sstr->bufsiz);
-       } else if (ioc == ENCIOC_GETSTRING) {
+               break;
+       case ENCIOC_GETSTRING:
                payload = sstr->bufsiz;
                amt = payload;
                ses_page_cdb(cdb, payload, SesStringIn, CAM_DIR_IN);
                buf = sstr->buf;
-       } else if (ioc == ENCIOC_GETENCNAME) {
+               break;
+       case ENCIOC_GETENCNAME:
                if (ses_cache->ses_nsubencs < 1)
                        return (ENODEV);
                enc_desc = ses_cache->subencs[0];
@@ -2768,7 +2770,7 @@ ses_handle_string(enc_softc_t *enc, encioc_string_t *s
                        size = sstr->bufsiz;
                copyout(str, sstr->buf, size);
                return (size == rsize ? 0 : ENOMEM);
-       } else if (ioc == ENCIOC_GETENCID) {
+       case ENCIOC_GETENCID:
                if (ses_cache->ses_nsubencs < 1)
                        return (ENODEV);
                enc_desc = ses_cache->subencs[0];
@@ -2782,13 +2784,13 @@ ses_handle_string(enc_softc_t *enc, encioc_string_t *s
                        size = sstr->bufsiz;
                copyout(str, sstr->buf, size);
                return (size == rsize ? 0 : ENOMEM);
-       } else
-               return EINVAL;
-
+       default:
+               return (EINVAL);
+       }
        ret = enc_runcmd(enc, cdb, 6, buf, &amt);
        if (ioc == ENCIOC_SETSTRING)
                ENC_FREE(buf);
-       return ret;
+       return (ret);
 }
 
 /**
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