Hi Hartley,
FYI, there are smatch warnings show up in
tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-next
head: 3cd73bc1cf59b2c9232d9889ba2b148e262054b6
commit: 91e674e83c530d5902e482ede1af0115989c4fe6 [245/267] staging: comedi: s626: use attach_pci callback
drivers/staging/comedi/drivers/s626.c:1430 s626_ai_cmd() Error invalid range 4096 to -1
drivers/staging/comedi/drivers/s626.c:1450 s626_ai_cmd() Error invalid range 4096 to -1
drivers/staging/comedi/drivers/s626.c:1651 s626_ai_cmdtest() Error invalid range 4096 to -1
drivers/staging/comedi/drivers/s626.c:1658 s626_ai_cmdtest() Error invalid range 4096 to -1
drivers/staging/comedi/drivers/s626.c:2463 s626_attach_pci() info: why not propagate 'result' from comedi_pci_enable() instead of -19?
+ drivers/staging/comedi/drivers/s626.c:2492 s626_attach_pci() warn: '(dev->private)->base_addr' was not released on error
drivers/staging/comedi/drivers/s626.c:2504 s626_attach_pci() warn: '(dev->private)->base_addr' was not released on error
drivers/staging/comedi/drivers/s626.c:2517 s626_attach_pci() warn: '(dev->private)->base_addr' was not released on error
The errors are actually first introduced by
commit 020c44f3ad91b334f907a66eedba68f46dd39d25
Author: H Hartley Sweeten <hartleys@xxxxxxxxxxxxxxxxxxx>
Commit: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
CommitDate: Fri Jun 22 20:05:01 2012 -0700
staging: comedi: s626: remove forward declarations 1
vim +2492 drivers/staging/comedi/drivers/s626.c
2476 /* disable master interrupt */
2477 writel(0, devpriv->base_addr + P_IER);
2478
2479 /* soft reset */
2480 writel(MC1_SOFT_RESET, devpriv->base_addr + P_MC1);
2481
2482 /* DMA FIXME DMA// */
2483
2484 /* adc buffer allocation */
2485 devpriv->allocatedBuf = 0;
2486
2487 devpriv->ANABuf.LogicalBase =
2488 pci_alloc_consistent(devpriv->pdev, DMABUF_SIZE, &appdma);
2489
2490 if (devpriv->ANABuf.LogicalBase == NULL) {
2491 printk(KERN_ERR "s626_attach: DMA Memory mapping error\n");
> 2492 return -ENOMEM;
2493 }
2494
2495 devpriv->ANABuf.PhysicalBase = appdma;
2496
2497 devpriv->allocatedBuf++;
2498
2499 devpriv->RPSBuf.LogicalBase =
2500 pci_alloc_consistent(devpriv->pdev, DMABUF_SIZE, &appdma);
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu, Yuanhan Liu Intel Corporation
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