diff options
Diffstat (limited to 'util-linux/seedrng.c')
-rw-r--r-- | util-linux/seedrng.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/util-linux/seedrng.c b/util-linux/seedrng.c index 5559ba77c..023ed8688 100644 --- a/util-linux/seedrng.c +++ b/util-linux/seedrng.c | |||
@@ -85,14 +85,14 @@ static bool read_new_seed(uint8_t *seed, size_t len) | |||
85 | return true; | 85 | return true; |
86 | } | 86 | } |
87 | if (ret < 0 && errno == ENOSYS) { | 87 | if (ret < 0 && errno == ENOSYS) { |
88 | struct pollfd random_fd = { | 88 | int fd = xopen("/dev/random", O_RDONLY); |
89 | .fd = xopen("/dev/random", O_RDONLY), | 89 | struct pollfd random_fd; |
90 | .events = POLLIN | 90 | random_fd.fd = fd; |
91 | }; | 91 | random_fd.events = POLLIN; |
92 | is_creditable = poll(&random_fd, 1, 0) == 1; | 92 | is_creditable = poll(&random_fd, 1, 0) == 1; |
93 | //This is racy. is_creditable can be set to true here, but other process | 93 | //This is racy. is_creditable can be set to true here, but other process |
94 | //can consume "good" random data from /dev/urandom before we do it below. | 94 | //can consume "good" random data from /dev/urandom before we do it below. |
95 | close(random_fd.fd); | 95 | close(fd); |
96 | } else { | 96 | } else { |
97 | if (getrandom(seed, len, GRND_INSECURE) == (ssize_t)len) | 97 | if (getrandom(seed, len, GRND_INSECURE) == (ssize_t)len) |
98 | return false; | 98 | return false; |