diff options
| -rw-r--r-- | util/nvmutil/nvmutil.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index fdf93c67..bb9210b0 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -347,8 +347,9 @@ rhex(void) if (!n) { n = sizeof(rnum) - 1; - err_if(read(rfd, (uint8_t *) &rnum, sizeof(rnum)) - != sizeof(rnum)); + if (read(rfd, (uint8_t *) &rnum, sizeof(rnum)) + != sizeof(rnum)) + err(ECANCELED, "Could not read from /dev/urandom"); } return rnum[n--] & 0xf; |