brcm80211: fmac: initialize host interface drivers regardless result

The module init function of brcmfmac calls init functions for SDIO and
USB doing driver registration. This patch removes terminating the module
init when a driver registration for one host interface fails.

Reviewed-by: Pieter-Paul Giesberts <[e-mail]>
Reviewed-by: Franky (Zhenhui) Lin <[e-mail]>
Signed-off-by: Arend van Spriel <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c

···
 	sdio_unregister_driver(&brcmf_sdmmc_driver);
 }
 
-int brcmf_sdio_init(void)
+void brcmf_sdio_init(void)
 {
 	int ret;
 
···
 
 	if (ret)
 		brcmf_dbg(ERROR, "sdio_register_driver failed: %d\n", ret);
-
-	return ret;
 }

drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h

···
 
 #ifdef CONFIG_BRCMFMAC_SDIO
 extern void brcmf_sdio_exit(void);
-extern int brcmf_sdio_init(void);
+extern void brcmf_sdio_init(void);
 #endif
 #ifdef CONFIG_BRCMFMAC_USB
 extern void brcmf_usb_exit(void);
-extern int brcmf_usb_init(void);
+extern void brcmf_usb_init(void);
 #endif
 
 #endif				/* _BRCMF_BUS_H_ */

drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c

···
 
 static int __init brcmfmac_init(void)
 {
-	int ret = 0;
-
 #ifdef CONFIG_BRCMFMAC_SDIO
-	ret = brcmf_sdio_init();
-	if (ret)
-		goto fail;
+	brcmf_sdio_init();
 #endif
 #ifdef CONFIG_BRCMFMAC_USB
-	ret = brcmf_usb_init();
-	if (ret)
-		goto fail;
+	brcmf_usb_init();
 #endif
-
-fail:
-	return ret;
+	return 0;
 }
 
 static void __exit brcmfmac_exit(void)

drivers/net/wireless/brcm80211/brcmfmac/usb.c

···
 	g_image.len = 0;
 }
 
-int brcmf_usb_init(void)
+void brcmf_usb_init(void)
 {
-	return usb_register(&brcmf_usbdrvr);
+	usb_register(&brcmf_usbdrvr);
 }