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| author |   Thomas Zimmermann <tzimmermann@suse.de> | 2022-10-20 09:09:00 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-10-20 09:09:00 +0200 |
| commit | 1aca5ce036e3499336d1a2ace3070f908381c055 (patch) | |
| tree | 32b53fca3cff8c6c084d9c1d94d1761c3618e739 /drivers/parisc/ccio-dma.c | |
| parent | drm/amdgpu: use DRM_SCHED_FENCE_DONT_PIPELINE for VM updates (diff) | |
| parent | Linux 6.1-rc1 (diff) | |
| download | wireguard-linux-1aca5ce036e3499336d1a2ace3070f908381c055.tar.xz wireguard-linux-1aca5ce036e3499336d1a2ace3070f908381c055.zip | |
Merge drm/drm-fixes into drm-misc-fixes
Backmerging to get v6.1-rc1.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/parisc/ccio-dma.c')
| -rw-r--r-- | drivers/parisc/ccio-dma.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 9be007c9420f..a66386043aa6 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -268,7 +268,7 @@ static int ioc_count; * Each bit can represent a number of pages. * LSbs represent lower addresses (IOVA's). * -* This was was copied from sba_iommu.c. Don't try to unify +* This was copied from sba_iommu.c. Don't try to unify * the two resource managers unless a way to have different * allocation policies is also adjusted. We'd like to avoid * I/O TLB thrashing by having resource allocation policy @@ -1380,15 +1380,17 @@ ccio_init_resource(struct resource *res, char *name, void __iomem *ioaddr) } } -static void __init ccio_init_resources(struct ioc *ioc) +static int __init ccio_init_resources(struct ioc *ioc) { struct resource *res = ioc->mmio_region; char *name = kmalloc(14, GFP_KERNEL); - + if (unlikely(!name)) + return -ENOMEM; snprintf(name, 14, "GSC Bus [%d/]", ioc->hw_path); ccio_init_resource(res, name, &ioc->ioc_regs->io_io_low); ccio_init_resource(res + 1, name, &ioc->ioc_regs->io_io_low_hv); + return 0; } static int new_ioc_area(struct resource *res, unsigned long size, @@ -1543,7 +1545,11 @@ static int __init ccio_probe(struct parisc_device *dev) return -ENOMEM; } ccio_ioc_init(ioc); - ccio_init_resources(ioc); + if (ccio_init_resources(ioc)) { + iounmap(ioc->ioc_regs); + kfree(ioc); + return -ENOMEM; + } hppa_dma_ops = &ccio_ops; hba = kzalloc(sizeof(*hba), GFP_KERNEL); |