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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: Karsten Keil <kkeil@linux-pingi.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -231,6 +231,11 @@ setup_isurf(struct IsdnCard *card)
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}
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}
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pnp_disable_dev(pnp_d);
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pnp_disable_dev(pnp_d);
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err = pnp_activate_dev(pnp_d);
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err = pnp_activate_dev(pnp_d);
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if (err < 0) {
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pr_warn("%s: pnp_activate_dev ret=%d\n",
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__func__, err);
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return 0;
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}
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cs->hw.isurf.reset = pnp_port_start(pnp_d, 0);
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cs->hw.isurf.reset = pnp_port_start(pnp_d, 0);
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cs->hw.isurf.phymem = pnp_mem_start(pnp_d, 1);
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cs->hw.isurf.phymem = pnp_mem_start(pnp_d, 1);
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cs->irq = pnp_irq(pnp_d, 0);
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cs->irq = pnp_irq(pnp_d, 0);
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