Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5b999fd0 authored by Karsten Keil's avatar Karsten Keil Committed by David S. Miller
Browse files

ISDN: Add check for return value of pnp_activate_dev() 



pnp_activate_dev() return value needs to be checked to make sure that
following calls calls to the PNP functions do work correctly.
Fix for report #44491 on bugzilla.kernel.org.

Signed-off-by: default avatarKarsten Keil <kkeil@linux-pingi.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7be7e932

drivers/isdn/hisax/isurf.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -231,6 +231,11 @@ setup_isurf(struct IsdnCard *card) 
				}

				}

				pnp_disable_dev(pnp_d);

				pnp_disable_dev(pnp_d);

				err = pnp_activate_dev(pnp_d);

				err = pnp_activate_dev(pnp_d);

				if (err < 0) {

					pr_warn("%s: pnp_activate_dev ret=%d\n",

						__func__, err);

					return 0;

				}

				cs->hw.isurf.reset = pnp_port_start(pnp_d, 0);

				cs->hw.isurf.reset = pnp_port_start(pnp_d, 0);

				cs->hw.isurf.phymem = pnp_mem_start(pnp_d, 1);

				cs->hw.isurf.phymem = pnp_mem_start(pnp_d, 1);

				cs->irq = pnp_irq(pnp_d, 0);

				cs->irq = pnp_irq(pnp_d, 0);