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messages: Add missing NULL check

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CID #1409678

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Andreas Schneider
2020-01-23 09:13:02 +01:00
parent 6324014866
commit 4b4f568a68
1 changed files with 3 additions and 0 deletions
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3
src/messages.c
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@@ -692,6 +692,9 @@ static ssh_buffer ssh_msg_userauth_build_digest(ssh_session session,
int rc; int rc;
crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_IN); crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_IN);
if (crypto == NULL) {
return NULL;
}
buffer = ssh_buffer_new(); buffer = ssh_buffer_new();
if (buffer == NULL) { if (buffer == NULL) {