We should check to see if this kmalloc() fails.
Fixes: e7c404c96c74 ("Bluetooth: allocate data for kpp on heap")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/net/bluetooth/ecdh_helper.c b/net/bluetooth/ecdh_helper.c
index 80184476ff74..c8535845813d 100644
--- a/net/bluetooth/ecdh_helper.c
+++ b/net/bluetooth/ecdh_helper.c
@@ -59,11 +59,15 @@ bool compute_ecdh_secret(const u8 public_key[64], const u8 private_key[32],
struct ecdh p;
struct ecdh_completion result;
struct scatterlist src, dst;
- u8 *tmp = kmalloc(64, GFP_KERNEL);
+ u8 *tmp;
u8 *buf;
unsigned int buf_len;
int err = -ENOMEM;
+ tmp = kmalloc(64, GFP_KERNEL);
+ if (!tmp)
+ goto out;
+
tfm = crypto_alloc_kpp("ecdh", CRYPTO_ALG_INTERNAL, 0);
if (IS_ERR(tfm)) {
pr_err("alg: kpp: Failed to load tfm for kpp: %ld\n",
@@ -130,6 +134,7 @@ bool compute_ecdh_secret(const u8 public_key[64], const u8 private_key[32],
crypto_free_kpp(tfm);
free_tmp:
kfree(tmp);
+out:
return (err == 0);
}
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