n_gsm: gsm_data_alloc buffer allocation could fail and it is not being checked
gsm_data_alloc buffer allocation could fail and it is not being checked. Add check for allocated buffer and return if the buffer allocation fails. Signed-off-by: Ken Mills <ken.k.mills@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
be7a7411d6
commit
093d804611
|
@ -968,6 +968,8 @@ static void gsm_control_reply(struct gsm_mux *gsm, int cmd, u8 *data,
|
|||
{
|
||||
struct gsm_msg *msg;
|
||||
msg = gsm_data_alloc(gsm, 0, dlen + 2, gsm->ftype);
|
||||
if (msg == NULL)
|
||||
return;
|
||||
msg->data[0] = (cmd & 0xFE) << 1 | EA; /* Clear C/R */
|
||||
msg->data[1] = (dlen << 1) | EA;
|
||||
memcpy(msg->data + 2, data, dlen);
|
||||
|
|
Loading…
Reference in a new issue