pacman/upgrade: Check malloc() return value

Check the return value of malloc() before dereferencing the returned pointer.

Signed-off-by: Sören Brinkmann <soeren.brinkmann@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/pacman/upgrade.c b/src/pacman/upgrade.c
index 5416f618..11da4dcb 100644
--- a/src/pacman/upgrade.c
+++ b/src/pacman/upgrade.c
@@ -51,6 +51,10 @@ int pacman_upgrade(alpm_list_t *targets)
 	 */
 	for(i = targets; i; i = alpm_list_next(i)) {
 		int *r = malloc(sizeof(int));
+		if(r == NULL) {
+			pm_printf(ALPM_LOG_ERROR, _("memory exhausted\n"));
+			return 1;
+		}
 
 		if(strstr(i->data, "://")) {
 			char *str = alpm_fetch_pkgurl(config->handle, i->data);