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Diffstat (limited to 'sound/isa/cs423x/cs4236.c')
-rw-r--r--sound/isa/cs423x/cs4236.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c
index 78dd213589b4..fa3c39cff5f8 100644
--- a/sound/isa/cs423x/cs4236.c
+++ b/sound/isa/cs423x/cs4236.c
@@ -278,7 +278,8 @@ static int snd_cs423x_pnp_init_mpu(int dev, struct pnp_dev *pdev)
} else {
mpu_port[dev] = pnp_port_start(pdev, 0);
if (mpu_irq[dev] >= 0 &&
- pnp_irq_valid(pdev, 0) && pnp_irq(pdev, 0) >= 0) {
+ pnp_irq_valid(pdev, 0) &&
+ pnp_irq(pdev, 0) != (resource_size_t)-1) {
mpu_irq[dev] = pnp_irq(pdev, 0);
} else {
mpu_irq[dev] = -1; /* disable interrupt */