1 files changed, 30 insertions, 2 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c b/drivers/net/wireless/brcm80211/brcmutil/utils.c
index 906e89ddf319..0543607002fd 100644
--- a/drivers/net/wireless/brcm80211/brcmutil/utils.c
+++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c
@@ -267,15 +267,43 @@ char *brcmu_boardrev_str(u32 brev, char *buf)
         char c;
 
         if (brev < 0x100) {
-                snprintf(buf, 8, "%d.%d", (brev & 0xf0) >> 4, brev & 0xf);
+                snprintf(buf, BRCMU_BOARDREV_LEN, "%d.%d",
+                         (brev & 0xf0) >> 4, brev & 0xf);
         } else {
                 c = (brev & 0xf000) == 0x1000 ? 'P' : 'A';
-                snprintf(buf, 8, "%c%03x", c, brev & 0xfff);
+                snprintf(buf, BRCMU_BOARDREV_LEN, "%c%03x", c, brev & 0xfff);
         }
         return buf;
 }
 EXPORT_SYMBOL(brcmu_boardrev_str);
 
+char *brcmu_dotrev_str(u32 dotrev, char *buf)
+{
+        u8 dotval[4];
+
+        if (!dotrev) {
+                snprintf(buf, BRCMU_DOTREV_LEN, "unknown");
+                return buf;
+        }
+        dotval[0] = (dotrev >> 24) & 0xFF;
+        dotval[1] = (dotrev >> 16) & 0xFF;
+        dotval[2] = (dotrev >> 8) & 0xFF;
+        dotval[3] = dotrev & 0xFF;
+
+        if (dotval[3])
+                snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d.%d.%d", dotval[0],
+                        dotval[1], dotval[2], dotval[3]);
+        else if (dotval[2])
+                snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d.%d", dotval[0],
+                        dotval[1], dotval[2]);
+        else
+                snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d", dotval[0],
+                        dotval[1]);
+
+        return buf;
+}
+EXPORT_SYMBOL(brcmu_dotrev_str);
+
 #if defined(DEBUG)
 /* pretty hex print a pkt buffer chain */
 void brcmu_prpkt(const char *msg, struct sk_buff *p0)