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Diffstat (limited to 'util/libreboot-utils/lib')
-rw-r--r--util/libreboot-utils/lib/rand.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/libreboot-utils/lib/rand.c b/util/libreboot-utils/lib/rand.c
index 9cb52386..11d99ffa 100644
--- a/util/libreboot-utils/lib/rand.c
+++ b/util/libreboot-utils/lib/rand.c
@@ -52,7 +52,7 @@ rset(void *buf, size_t n)
if ((fd = open("/dev/urandom", O_RDONLY)) < 0)
goto err;
retry_rand:
- if ((rc = read(fd, buf, n)) < 0) {
+ if ((rc = read(fd, buf + off, n - off)) < 0) {
#elif defined(__linux__)
retry_rand:
if ((rc = (ssize_t)syscall(SYS_getrandom,