diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index b2d63bd05e7412814f0e88f2ab58c19d7ea06d24..3212cd36e2e7422010b4ad84dc1537706b44897b 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -324,8 +324,10 @@ static void allocate_buf_for_compression(void)
 
 static void free_buf_for_compression(void)
 {
-	if (IS_ENABLED(CONFIG_PSTORE_COMPRESS) && tfm)
+	if (IS_ENABLED(CONFIG_PSTORE_COMPRESS) && tfm) {
 		crypto_free_comp(tfm);
+		tfm = NULL;
+	}
 	kfree(big_oops_buf);
 	big_oops_buf = NULL;
 	big_oops_buf_sz = 0;