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-rw-r--r--source4/heimdal/lib/hcrypto/rand-unix.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/source4/heimdal/lib/hcrypto/rand-unix.c b/source4/heimdal/lib/hcrypto/rand-unix.c
index 2bfa265fa4..fcad39f1de 100644
--- a/source4/heimdal/lib/hcrypto/rand-unix.c
+++ b/source4/heimdal/lib/hcrypto/rand-unix.c
@@ -95,8 +95,10 @@ unix_bytes(unsigned char *outdata, int size)
ssize_t count;
int once = 0;
- if (size <= 0)
+ if (size < 0)
return 0;
+ else if (size == 0)
+ return 1;
HEIMDAL_MUTEX_lock(&random_mutex);
if (random_fd == -1) {