tests: fix shadow -Wall warnings in the crcsum test program

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/tests/progs/crcsum.c b/tests/progs/crcsum.c
index 9794e10..193bf0a 100644 (file)
--- a/tests/progs/crcsum.c
+++ b/tests/progs/crcsum.c
@@ -57,11 +57,10 @@ int main(int argc, char **argv)
 
        while (!feof(f)) {
                unsigned char buf[4096];
+               int cnt = fread(buf, 1, sizeof(buf), f);
 
-               int c = fread(buf, 1, sizeof(buf), f);
-
-               if (c)
-                       crc = csum_func(crc, buf, c);
+               if (cnt)
+                       crc = csum_func(crc, buf, cnt);
        }
        printf("%u\n", crc);
        return 0;