lib/bitmap.c: correct a code style and do some, optimization

[firefly-linux-kernel-4.4.55.git] / lib / bitmap.c

diff --git a/lib/bitmap.c b/lib/bitmap.c
index a578a018919977579063bb599d4fd462bae6a54b..eb21456be4b9ed4efb4ae4dfd8576d52da2b88db 100644 (file)
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -367,7 +367,8 @@ int __bitmap_parse(const char *buf, unsigned int buflen,
 
        nchunks = nbits = totaldigits = c = 0;
        do {
-               chunk = ndigits = 0;
+               chunk = 0;
+               ndigits = totaldigits;
 
                /* Get the next chunk of the bitmap */
                while (buflen) {
@@ -406,9 +407,9 @@ int __bitmap_parse(const char *buf, unsigned int buflen,
                                return -EOVERFLOW;
 
                        chunk = (chunk << 4) | hex_to_bin(c);
-                       ndigits++; totaldigits++;
+                       totaldigits++;
                }
-               if (ndigits == 0)
+               if (ndigits == totaldigits)
                        return -EINVAL;
                if (nchunks == 0 && chunk == 0)
                        continue;