remove dead code

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

util/libreboot-utils/include/common.h

@@ -465,7 +465,6 @@ int io_args(int fd, void *mem, size_t nrw,
     off_t off, int rw_type);
 int check_file(int fd, struct stat *st);
 ssize_t rw_over_nrw(ssize_t r, size_t nrw);
-int off_retry(int saved_errno, off_t rval);
 int sys_retry(int saved_errno, long rval);
 int fs_retry(int saved_errno, int rval);
 int rw_retry(int saved_errno, ssize_t rval);

util/libreboot-utils/lib/file.c

@@ -762,18 +762,6 @@ xclose(int *fd)
  */
 
 
-/* retry switch for offset-based
- * functions e.g. lseek
- */
-/* retry switch for functions that
-   return long status e.g. linux syscall
- */
-int
-off_retry(int saved_errno, off_t rval)
-{
-	fs_err_retry();
-}
-
 /* retry switch for functions that
    return long status e.g. linux syscall
  */

util/libreboot-utils/lib/rand.c

@@ -156,24 +156,24 @@ retry_rand: {
 
 #if defined(USE_URANDOM) && \
     ((USE_URANDOM) > 0)
-	ssize_t rc;
+	ssize_t rval;
 	int fd = -1;
 
 	open_file_on_eintr("/dev/urandom", &fd, O_RDONLY, 0400, NULL);
 
 	while (rw_retry(saved_errno,
-	    rc = rw(fd, (unsigned char *)buf + off, n - off, 0, IO_READ)));
+	    rval = rw(fd, (unsigned char *)buf + off, n - off, 0, IO_READ)));
 #elif defined(__linux__)
-	long rc;
+	long rval;
 	while (sys_retry(saved_errno,
-		rc = syscall(SYS_getrandom,
+		rval = syscall(SYS_getrandom,
 		    (unsigned char *)buf + off, n - off, 0)));
 #else
 #error Unsupported operating system (possibly unsecure randomisation)
 #endif
 
-	if (rc < 0 || /* syscall fehler */
-	    rc == 0) { /* prevent infinite loop on fatal err */
+	if (rval < 0 || /* syscall fehler */
+	    rval == 0) { /* prevent infinite loop on fatal err */
 #if defined(USE_URANDOM) && \
     ((USE_URANDOM) > 0)
 		xclose(&fd);
@@ -181,7 +181,7 @@ retry_rand: {
 		goto err;
 	}
 
-	if ((off += (size_t)rc) < n)
+	if ((off += (size_t)rval) < n)
 		goto retry_rand;
 
 #if defined(USE_URANDOM) && \