From: Pan Bian Date: Sun, 4 Dec 2016 05:27:40 +0000 (+0800) Subject: net: irda: set error code on failures X-Git-Tag: v4.9~23^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8ad3ba934587c8ecbfee13331d859a7849afdfbb;p=platform%2Fkernel%2Flinux-exynos.git net: irda: set error code on failures When the calls to kzalloc() fail, the value of return variable ret may be 0. 0 means success in this context. This patch fixes the bug, assigning "-ENOMEM" to ret before calling kzalloc(). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188971 Signed-off-by: Pan Bian Signed-off-by: David S. Miller --- diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index a198946..8716b8c 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1723,6 +1723,7 @@ static int irda_usb_probe(struct usb_interface *intf, /* Don't change this buffer size and allocation without doing * some heavy and complete testing. Don't ask why :-( * Jean II */ + ret = -ENOMEM; self->speed_buff = kzalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL); if (!self->speed_buff) goto err_out_3;