imsm: fix store_zero_imsm breakage from posix_memalign conversion

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/super-intel.c b/super-intel.c
index d133dc5b9d0e0cac886d2540fd033890c94c5bb3..8640cea1142e991b6ab2047db8765193f0c3b07f 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -1434,8 +1434,8 @@ static int store_zero_imsm(struct supertype *st, int fd)
        if (posix_memalign(&buf, 512, 512) != 0)
                return 1;
 
-       memset(buf, 0, sizeof(buf));
-       if (write(fd, buf, sizeof(buf)) != sizeof(buf))
+       memset(buf, 0, 512);
+       if (write(fd, buf, 512) != 512)
                return 1;
        return 0;
 }