diff --git a/fs/pstore/zone.c b/fs/pstore/zone.c
index 2770746bb7aa..abca117725c8 100644
--- a/fs/pstore/zone.c
+++ b/fs/pstore/zone.c
@@ -973,6 +973,8 @@ static ssize_t psz_kmsg_read(struct pstore_zone *zone,
 		char *buf = kasprintf(GFP_KERNEL, "%s: Total %d times\n",
 				      kmsg_dump_reason_str(record->reason),
 				      record->count);
+		if (!buf)
+			return -ENOMEM;
 		hlen = strlen(buf);
 		record->buf = krealloc(buf, hlen + size, GFP_KERNEL);
 		if (!record->buf) {