diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-03 02:36:21 +0300 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-03 02:50:36 +0300 |
commit | b9e68670cc3a13166b389ce847af19b0d0d33c67 (patch) | |
tree | bb79d91266490fa5bfe77cfef53ead8a1f7a62f6 /drivers/char | |
parent | 60de2ba51eaba9eefcc355cb20c8582b1481e755 (diff) | |
parent | 5bddd17fec58f253cddd0bc9eab2cd9eb1bbab4a (diff) | |
download | linux-b9e68670cc3a13166b389ce847af19b0d0d33c67.tar.xz |
Merge branch 'drm-intel-fixes' into drm-intel-next
Conflicts:
drivers/gpu/drm/i915/intel_drv.h
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/tpm/tpm_tis.c | 24 | ||||
-rw-r--r-- | drivers/char/virtio_console.c | 37 |
2 files changed, 33 insertions, 28 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 1030f8420137..c17a305ecb28 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/wait.h> +#include <linux/acpi.h> #include "tpm.h" #define TPM_HEADER_SIZE 10 @@ -78,6 +79,26 @@ enum tis_defaults { static LIST_HEAD(tis_chips); static DEFINE_SPINLOCK(tis_lock); +#ifdef CONFIG_ACPI +static int is_itpm(struct pnp_dev *dev) +{ + struct acpi_device *acpi = pnp_acpi_device(dev); + struct acpi_hardware_id *id; + + list_for_each_entry(id, &acpi->pnp.ids, list) { + if (!strcmp("INTC0102", id->id)) + return 1; + } + + return 0; +} +#else +static int is_itpm(struct pnp_dev *dev) +{ + return 0; +} +#endif + static int check_locality(struct tpm_chip *chip, int l) { if ((ioread8(chip->vendor.iobase + TPM_ACCESS(l)) & @@ -472,6 +493,9 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, "1.2 TPM (device-id 0x%X, rev-id %d)\n", vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0))); + if (is_itpm(to_pnp_dev(dev))) + itpm = 1; + if (itpm) dev_info(dev, "Intel iTPM workaround enabled\n"); diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 6c1b676643a9..896a2ced1d27 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1547,31 +1547,16 @@ static int init_vqs(struct ports_device *portdev) nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2; vqs = kmalloc(nr_queues * sizeof(struct virtqueue *), GFP_KERNEL); - if (!vqs) { - err = -ENOMEM; - goto fail; - } io_callbacks = kmalloc(nr_queues * sizeof(vq_callback_t *), GFP_KERNEL); - if (!io_callbacks) { - err = -ENOMEM; - goto free_vqs; - } io_names = kmalloc(nr_queues * sizeof(char *), GFP_KERNEL); - if (!io_names) { - err = -ENOMEM; - goto free_callbacks; - } portdev->in_vqs = kmalloc(nr_ports * sizeof(struct virtqueue *), GFP_KERNEL); - if (!portdev->in_vqs) { - err = -ENOMEM; - goto free_names; - } portdev->out_vqs = kmalloc(nr_ports * sizeof(struct virtqueue *), GFP_KERNEL); - if (!portdev->out_vqs) { + if (!vqs || !io_callbacks || !io_names || !portdev->in_vqs || + !portdev->out_vqs) { err = -ENOMEM; - goto free_invqs; + goto free; } /* @@ -1605,7 +1590,7 @@ static int init_vqs(struct ports_device *portdev) io_callbacks, (const char **)io_names); if (err) - goto free_outvqs; + goto free; j = 0; portdev->in_vqs[0] = vqs[0]; @@ -1621,23 +1606,19 @@ static int init_vqs(struct ports_device *portdev) portdev->out_vqs[i] = vqs[j + 1]; } } - kfree(io_callbacks); kfree(io_names); + kfree(io_callbacks); kfree(vqs); return 0; -free_names: - kfree(io_names); -free_callbacks: - kfree(io_callbacks); -free_outvqs: +free: kfree(portdev->out_vqs); -free_invqs: kfree(portdev->in_vqs); -free_vqs: + kfree(io_names); + kfree(io_callbacks); kfree(vqs); -fail: + return err; } |