diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/lp.c | 6 | ||||
| -rw-r--r-- | drivers/char/mem.c | 5 | ||||
| -rw-r--r-- | drivers/firmware/google/vpd.c | 21 | ||||
| -rw-r--r-- | drivers/misc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/uio/uio.c | 8 |
5 files changed, 30 insertions, 11 deletions
diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 565e4cf04a02..8249762192d5 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -859,7 +859,11 @@ static int __init lp_setup (char *str) } else if (!strcmp(str, "auto")) { parport_nr[0] = LP_PARPORT_AUTO; } else if (!strcmp(str, "none")) { - parport_nr[parport_ptr++] = LP_PARPORT_NONE; + if (parport_ptr < LP_NO) + parport_nr[parport_ptr++] = LP_PARPORT_NONE; + else + printk(KERN_INFO "lp: too many ports, %s ignored.\n", + str); } else if (!strcmp(str, "reset")) { reset = 1; } diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 7e4a9d1296bb..6e0cbe092220 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -340,6 +340,11 @@ static const struct vm_operations_struct mmap_mem_ops = { static int mmap_mem(struct file *file, struct vm_area_struct *vma) { size_t size = vma->vm_end - vma->vm_start; + phys_addr_t offset = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT; + + /* It's illegal to wrap around the end of the physical address space. */ + if (offset + (phys_addr_t)size < offset) + return -EINVAL; if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size)) return -EINVAL; diff --git a/drivers/firmware/google/vpd.c b/drivers/firmware/google/vpd.c index 3ce813110d5e..1e7860f02f4f 100644 --- a/drivers/firmware/google/vpd.c +++ b/drivers/firmware/google/vpd.c @@ -116,9 +116,13 @@ static int vpd_section_attrib_add(const u8 *key, s32 key_len, return VPD_OK; info = kzalloc(sizeof(*info), GFP_KERNEL); - info->key = kzalloc(key_len + 1, GFP_KERNEL); - if (!info->key) + if (!info) return -ENOMEM; + info->key = kzalloc(key_len + 1, GFP_KERNEL); + if (!info->key) { + ret = -ENOMEM; + goto free_info; + } memcpy(info->key, key, key_len); @@ -135,12 +139,17 @@ static int vpd_section_attrib_add(const u8 *key, s32 key_len, list_add_tail(&info->list, &sec->attribs); ret = sysfs_create_bin_file(sec->kobj, &info->bin_attr); - if (ret) { - kfree(info->key); - return ret; - } + if (ret) + goto free_info_key; return 0; + +free_info_key: + kfree(info->key); +free_info: + kfree(info); + + return ret; } static void vpd_section_attrib_destroy(struct vpd_section *sec) diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 2cba76e6fa3c..07bbd4cc1852 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -492,6 +492,7 @@ config ASPEED_LPC_CTRL config PCI_ENDPOINT_TEST depends on PCI + select CRC32 tristate "PCI Endpoint Test driver" ---help--- Enable this configuration option to enable the host side test driver diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 1c196f87e9d9..ff04b7f8549f 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -279,7 +279,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) map = kzalloc(sizeof(*map), GFP_KERNEL); if (!map) { ret = -ENOMEM; - goto err_map_kobj; + goto err_map; } kobject_init(&map->kobj, &map_attr_type); map->mem = mem; @@ -289,7 +289,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) goto err_map_kobj; ret = kobject_uevent(&map->kobj, KOBJ_ADD); if (ret) - goto err_map; + goto err_map_kobj; } for (pi = 0; pi < MAX_UIO_PORT_REGIONS; pi++) { @@ -308,7 +308,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) portio = kzalloc(sizeof(*portio), GFP_KERNEL); if (!portio) { ret = -ENOMEM; - goto err_portio_kobj; + goto err_portio; } kobject_init(&portio->kobj, &portio_attr_type); portio->port = port; @@ -319,7 +319,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) goto err_portio_kobj; ret = kobject_uevent(&portio->kobj, KOBJ_ADD); if (ret) - goto err_portio; + goto err_portio_kobj; } return 0; |