[pacman-dev] [PATCH 1/5] alpm_unlock: check handle before dereferencing

[Andrew Gregory]

Prevents SIGSEGV if we catch SIGINT or SIGHUP before initializing alpm.

Signed-off-by: Andrew Gregory <andrew.gregory.8 at gmail.com>
---
 lib/libalpm/handle.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/libalpm/handle.c b/lib/libalpm/handle.c
index 502a5d9e..08625e3a 100644
--- a/lib/libalpm/handle.c
+++ b/lib/libalpm/handle.c
@@ -135,6 +135,7 @@ int _alpm_handle_lock(alpm_handle_t *handle)
  */
 int SYMEXPORT alpm_unlock(alpm_handle_t *handle)
 {
+	ASSERT(handle != NULL, return -1);
 	ASSERT(handle->lockfile != NULL, return 0);
 	ASSERT(handle->lockfd >= 0, return 0);
 
-- 
2.12.2