diff options
Diffstat (limited to 'drivers/pnp/manager.c')
-rw-r--r-- | drivers/pnp/manager.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index 3bda513a6bd3..0826287eef53 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c | |||
@@ -21,9 +21,6 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx) | |||
21 | resource_size_t *start, *end; | 21 | resource_size_t *start, *end; |
22 | unsigned long *flags; | 22 | unsigned long *flags; |
23 | 23 | ||
24 | if (!dev || !rule) | ||
25 | return -EINVAL; | ||
26 | |||
27 | if (idx >= PNP_MAX_PORT) { | 24 | if (idx >= PNP_MAX_PORT) { |
28 | pnp_err | 25 | pnp_err |
29 | ("More than 4 ports is incompatible with pnp specifications."); | 26 | ("More than 4 ports is incompatible with pnp specifications."); |
@@ -66,9 +63,6 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) | |||
66 | resource_size_t *start, *end; | 63 | resource_size_t *start, *end; |
67 | unsigned long *flags; | 64 | unsigned long *flags; |
68 | 65 | ||
69 | if (!dev || !rule) | ||
70 | return -EINVAL; | ||
71 | |||
72 | if (idx >= PNP_MAX_MEM) { | 66 | if (idx >= PNP_MAX_MEM) { |
73 | pnp_err | 67 | pnp_err |
74 | ("More than 8 mems is incompatible with pnp specifications."); | 68 | ("More than 8 mems is incompatible with pnp specifications."); |
@@ -127,9 +121,6 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx) | |||
127 | 5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2 | 121 | 5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2 |
128 | }; | 122 | }; |
129 | 123 | ||
130 | if (!dev || !rule) | ||
131 | return -EINVAL; | ||
132 | |||
133 | if (idx >= PNP_MAX_IRQ) { | 124 | if (idx >= PNP_MAX_IRQ) { |
134 | pnp_err | 125 | pnp_err |
135 | ("More than 2 irqs is incompatible with pnp specifications."); | 126 | ("More than 2 irqs is incompatible with pnp specifications."); |
@@ -181,9 +172,6 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) | |||
181 | 1, 3, 5, 6, 7, 0, 2, 4 | 172 | 1, 3, 5, 6, 7, 0, 2, 4 |
182 | }; | 173 | }; |
183 | 174 | ||
184 | if (!dev || !rule) | ||
185 | return -EINVAL; | ||
186 | |||
187 | if (idx >= PNP_MAX_DMA) { | 175 | if (idx >= PNP_MAX_DMA) { |
188 | pnp_err | 176 | pnp_err |
189 | ("More than 2 dmas is incompatible with pnp specifications."); | 177 | ("More than 2 dmas is incompatible with pnp specifications."); |
@@ -390,7 +378,7 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum) | |||
390 | up(&pnp_res_mutex); | 378 | up(&pnp_res_mutex); |
391 | return 1; | 379 | return 1; |
392 | 380 | ||
393 | fail: | 381 | fail: |
394 | pnp_clean_resource_table(&dev->res); | 382 | pnp_clean_resource_table(&dev->res); |
395 | up(&pnp_res_mutex); | 383 | up(&pnp_res_mutex); |
396 | return 0; | 384 | return 0; |
@@ -410,8 +398,6 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, | |||
410 | int i; | 398 | int i; |
411 | struct pnp_resource_table *bak; | 399 | struct pnp_resource_table *bak; |
412 | 400 | ||
413 | if (!dev || !res) | ||
414 | return -EINVAL; | ||
415 | if (!pnp_can_configure(dev)) | 401 | if (!pnp_can_configure(dev)) |
416 | return -ENODEV; | 402 | return -ENODEV; |
417 | bak = pnp_alloc(sizeof(struct pnp_resource_table)); | 403 | bak = pnp_alloc(sizeof(struct pnp_resource_table)); |
@@ -444,7 +430,7 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, | |||
444 | kfree(bak); | 430 | kfree(bak); |
445 | return 0; | 431 | return 0; |
446 | 432 | ||
447 | fail: | 433 | fail: |
448 | dev->res = *bak; | 434 | dev->res = *bak; |
449 | up(&pnp_res_mutex); | 435 | up(&pnp_res_mutex); |
450 | kfree(bak); | 436 | kfree(bak); |
@@ -460,9 +446,6 @@ int pnp_auto_config_dev(struct pnp_dev *dev) | |||
460 | struct pnp_option *dep; | 446 | struct pnp_option *dep; |
461 | int i = 1; | 447 | int i = 1; |
462 | 448 | ||
463 | if (!dev) | ||
464 | return -EINVAL; | ||
465 | |||
466 | if (!pnp_can_configure(dev)) { | 449 | if (!pnp_can_configure(dev)) { |
467 | pnp_dbg("Device %s does not support resource configuration.", | 450 | pnp_dbg("Device %s does not support resource configuration.", |
468 | dev->dev.bus_id); | 451 | dev->dev.bus_id); |
@@ -541,8 +524,6 @@ int pnp_activate_dev(struct pnp_dev *dev) | |||
541 | { | 524 | { |
542 | int error; | 525 | int error; |
543 | 526 | ||
544 | if (!dev) | ||
545 | return -EINVAL; | ||
546 | if (dev->active) | 527 | if (dev->active) |
547 | return 0; /* the device is already active */ | 528 | return 0; /* the device is already active */ |
548 | 529 | ||
@@ -568,8 +549,6 @@ int pnp_disable_dev(struct pnp_dev *dev) | |||
568 | { | 549 | { |
569 | int error; | 550 | int error; |
570 | 551 | ||
571 | if (!dev) | ||
572 | return -EINVAL; | ||
573 | if (!dev->active) | 552 | if (!dev->active) |
574 | return 0; /* the device is already disabled */ | 553 | return 0; /* the device is already disabled */ |
575 | 554 | ||
@@ -596,8 +575,6 @@ int pnp_disable_dev(struct pnp_dev *dev) | |||
596 | void pnp_resource_change(struct resource *resource, resource_size_t start, | 575 | void pnp_resource_change(struct resource *resource, resource_size_t start, |
597 | resource_size_t size) | 576 | resource_size_t size) |
598 | { | 577 | { |
599 | if (resource == NULL) | ||
600 | return; | ||
601 | resource->flags &= ~(IORESOURCE_AUTO | IORESOURCE_UNSET); | 578 | resource->flags &= ~(IORESOURCE_AUTO | IORESOURCE_UNSET); |
602 | resource->start = start; | 579 | resource->start = start; |
603 | resource->end = start + size - 1; | 580 | resource->end = start + size - 1; |