diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pnp/manager.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index c706dd2ddb02..1adc83fdabb6 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c @@ -26,7 +26,7 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx) dev_dbg(&dev->dev, " io %d already set to %#llx-%#llx " "flags %#lx\n", idx, (unsigned long long) res->start, (unsigned long long) res->end, res->flags); - return 1; + return 0; } res = &local_res; @@ -51,13 +51,13 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx) "(min %#llx max %#llx)\n", idx, (unsigned long long) rule->min, (unsigned long long) rule->max); - return 0; + return -EBUSY; } } __add: pnp_add_io_resource(dev, res->start, res->end, res->flags); - return 1; + return 0; } static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) @@ -69,7 +69,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) dev_dbg(&dev->dev, " mem %d already set to %#llx-%#llx " "flags %#lx\n", idx, (unsigned long long) res->start, (unsigned long long) res->end, res->flags); - return 1; + return 0; } res = &local_res; @@ -103,13 +103,13 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) "(min %#llx max %#llx)\n", idx, (unsigned long long) rule->min, (unsigned long long) rule->max); - return 0; + return -EBUSY; } } __add: pnp_add_mem_resource(dev, res->start, res->end, res->flags); - return 1; + return 0; } static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx) @@ -126,7 +126,7 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx) if (res) { dev_dbg(&dev->dev, " irq %d already set to %d flags %#lx\n", idx, (int) res->start, res->flags); - return 1; + return 0; } res = &local_res; @@ -154,14 +154,14 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx) } } dev_dbg(&dev->dev, " couldn't assign irq %d\n", idx); - return 0; + return -EBUSY; __add: pnp_add_irq_resource(dev, res->start, res->flags); - return 1; + return 0; } -static void pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) +static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) { struct resource *res, local_res; int i; @@ -175,7 +175,7 @@ static void pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) if (res) { dev_dbg(&dev->dev, " dma %d already set to %d flags %#lx\n", idx, (int) res->start, res->flags); - return; + return 0; } res = &local_res; @@ -198,6 +198,7 @@ static void pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) __add: pnp_add_dma_resource(dev, res->start, res->flags); + return 0; } void pnp_init_resources(struct pnp_dev *dev) @@ -243,25 +244,26 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum) irq = dev->independent->irq; dma = dev->independent->dma; while (port) { - if (!pnp_assign_port(dev, port, nport)) + if (pnp_assign_port(dev, port, nport) < 0) goto fail; nport++; port = port->next; } while (mem) { - if (!pnp_assign_mem(dev, mem, nmem)) + if (pnp_assign_mem(dev, mem, nmem) < 0) goto fail; nmem++; mem = mem->next; } while (irq) { - if (!pnp_assign_irq(dev, irq, nirq)) + if (pnp_assign_irq(dev, irq, nirq) < 0) goto fail; nirq++; irq = irq->next; } while (dma) { - pnp_assign_dma(dev, dma, ndma); + if (pnp_assign_dma(dev, dma, ndma) < 0) + goto fail; ndma++; dma = dma->next; } @@ -281,25 +283,26 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum) irq = dep->irq; dma = dep->dma; while (port) { - if (!pnp_assign_port(dev, port, nport)) + if (pnp_assign_port(dev, port, nport) < 0) goto fail; nport++; port = port->next; } while (mem) { - if (!pnp_assign_mem(dev, mem, nmem)) + if (pnp_assign_mem(dev, mem, nmem) < 0) goto fail; nmem++; mem = mem->next; } while (irq) { - if (!pnp_assign_irq(dev, irq, nirq)) + if (pnp_assign_irq(dev, irq, nirq) < 0) goto fail; nirq++; irq = irq->next; } while (dma) { - pnp_assign_dma(dev, dma, ndma); + if (pnp_assign_dma(dev, dma, ndma) < 0) + goto fail; ndma++; dma = dma->next; } |
