[PATCH v2 10/28] fs/squashfs: sqfs_concat_tokens: check if malloc succeeds

[Richard Genoud]

memory allocation should always be checked

Signed-off-by: Richard Genoud <richard.genoud at posteo.net>
---
 fs/squashfs/sqfs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index 72181f38332..7da2e09cc36 100644
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -242,6 +242,9 @@ static char *sqfs_concat_tokens(char **token_list, int token_count)
 	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++) {