diff options
Diffstat (limited to 'util/libreboot-utils/lib/rand.c')
| -rw-r--r-- | util/libreboot-utils/lib/rand.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/util/libreboot-utils/lib/rand.c b/util/libreboot-utils/lib/rand.c index 20dc33cd..adfad3d7 100644 --- a/util/libreboot-utils/lib/rand.c +++ b/util/libreboot-utils/lib/rand.c @@ -127,6 +127,7 @@ void rset(void *buf, size_t n) { int saved_errno = errno; + errno = 0; if (if_err(buf == NULL, EFAULT)) goto err; @@ -140,7 +141,6 @@ rset(void *buf, size_t n) ((USE_URANDOM) > 0)) arc4random_buf(buf, n); - goto out; #else size_t off = 0; @@ -166,7 +166,7 @@ retry_rand: #endif if (rc < 0) - goto err; + goto err; /* syscall fehler */ if (rc == 0) goto err; /* prevent infinite loop on fatal err */ @@ -180,16 +180,15 @@ retry_rand: #endif #endif -out: - errno = saved_errno; + reset_caller_errno(0); return; err: #if defined(USE_URANDOM) && \ ((USE_URANDOM) > 0) close_on_eintr(&fd); #endif - err_exit(ECANCELED, - "Randomisation failure, possibly unsupported in your kernel"); + (void) with_fallback_errno(ECANCELED); + err_exit(errno, "Randomisierungsfehler"); exit(EXIT_FAILURE); } #endif |