commit: 093d804611b9a38fe59753b37c29f840518406a9 From: Ken Mills <[email protected]> Date: Mon, 13 Dec 2010 15:28:03 +0000 Subject: [PATCH] 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 <[email protected]> Signed-off-by: Alan Cox <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/tty/n_gsm.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 2fc5cf2..c5f8e5b 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -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); _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
