Add a fallback definition for __NR_getrandom for ARM linux

[openssl.git] / crypto / rand / rand_unix.c

diff --git a/crypto/rand/rand_unix.c b/crypto/rand/rand_unix.c
index 61619091a440148e07d7f4b89d0a0582a3d39567..de86e48f3a4dbef301046db4b1334a687892f2b7 100644 (file)
--- a/crypto/rand/rand_unix.c
+++ b/crypto/rand/rand_unix.c
@@ -254,6 +254,13 @@ static ssize_t sysctl_random(char *buf, size_t buflen)
 #  endif
 
 #  if defined(OPENSSL_RAND_SEED_GETRANDOM)
+
+#   if defined(__linux) && !defined(__NR_getrandom)
+#    if defined(__arm__) && defined(__NR_SYSCALL_BASE)
+#     define __NR_getrandom    (__NR_SYSCALL_BASE+384)
+#    endif
+#   endif
+
 /*
  * syscall_random(): Try to get random data using a system call
  * returns the number of bytes returned in buf, or < 0 on error.
@@ -285,7 +292,7 @@ static ssize_t syscall_random(void *buf, size_t buflen)
 
     if (getentropy != NULL)
         return getentropy(buf, buflen) == 0 ? (ssize_t)buflen : -1;
-#  else
+#  elif !defined(FIPS_MODE)
     union {
         void *p;
         int (*f)(void *buffer, size_t length);