From: Julia Lawall <Julia.Lawall@xxxxxxx> Convert a 0 error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier ret; expression e,e1,e2,e3,e4,x; @@ ( if (\(ret != 0\|ret < 0\) || ...) { ... return ...; } | ret = 0 ) ... when != ret = e1 *x = \(kmalloc\|kzalloc\|kcalloc\|devm_kzalloc\|ioremap\|ioremap_nocache\|devm_ioremap\|devm_ioremap_nocache\)(...); ... when != x = e2 when != ret = e3 *if (x == NULL || ...) { ... when != ret = e4 * return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> --- drivers/usb/wusbcore/wa-hc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/wusbcore/wa-hc.c b/drivers/usb/wusbcore/wa-hc.c index 9e4a924..a09b65e 100644 --- a/drivers/usb/wusbcore/wa-hc.c +++ b/drivers/usb/wusbcore/wa-hc.c @@ -46,8 +46,10 @@ int wa_create(struct wahc *wa, struct usb_interface *iface) wa->dto_epd = &iface->cur_altsetting->endpoint[2].desc; wa->xfer_result_size = usb_endpoint_maxp(wa->dti_epd); wa->xfer_result = kmalloc(wa->xfer_result_size, GFP_KERNEL); - if (wa->xfer_result == NULL) + if (wa->xfer_result == NULL) { + result = -ENOMEM; goto error_xfer_result_alloc; + } result = wa_nep_create(wa, iface); if (result < 0) { dev_err(dev, "WA-CDS: can't initialize notif endpoint: %d\n", -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
