util/nvmutil: increment rc at end of rw_file_exact

for fussy static analysers and/or compilers

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 058657d9..811cce31 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -1564,9 +1564,11 @@ rw_file_exact(int fd, uint8_t *mem, size_t len,
 		return -1;
 	}
 
-	for (rc = 0, rv = 0; rc < len; rc += (size_t)rv) {
+	for (rc = 0, rv = 0; rc < len; ) {
 		if ((rv = rw_file_once(fd, mem, len, off, rw_type, rc)) == -1)
 			return -1;
+
+		rc += (size_t)rv;
 	}
 
 	return rc;