fs/squashfs: sqfs_concat_tokens: check if malloc succeeds
memory allocation should always be checked
Reviewed-by: Joao Marcos Costa <jmcosta944@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@posteo.net>
diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index 72181f3..7da2e09 100644
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -242,6 +242,9 @@
length = sqfs_get_tokens_length(token_list, token_count);
result = malloc(length + 1);
+ if (!result)
+ return NULL;
+
result[length] = '\0';
for (i = 0; i < token_count; i++) {