brcmutil: use define for boardrev string function

Introducing a define that the caller of brcmu_boardrev_str() can
use to allocate enough room for buffer passed to the function.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c b/drivers/net/wireless/brcm80211/brcmutil/utils.c
index 906e89ddf319..34937d8e1395 100644
--- a/drivers/net/wireless/brcm80211/brcmutil/utils.c
+++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c
@@ -267,10 +267,11 @@ 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;
 }