diff options
Diffstat (limited to 'drivers/media/common/siano/smscoreapi.c')
| -rw-r--r-- | drivers/media/common/siano/smscoreapi.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c index b5dcc6d1fe90..3b02cb570a6e 100644 --- a/drivers/media/common/siano/smscoreapi.c +++ b/drivers/media/common/siano/smscoreapi.c @@ -415,8 +415,8 @@ EXPORT_SYMBOL_GPL(smscore_get_board_id); struct smscore_registry_entry_t { struct list_head entry; - char devpath[32]; - int mode; + char devpath[32]; + int mode; enum sms_device_type_st type; }; @@ -442,7 +442,7 @@ static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) next != &g_smscore_registry; next = next->next) { entry = (struct smscore_registry_entry_t *) next; - if (!strcmp(entry->devpath, devpath)) { + if (!strncmp(entry->devpath, devpath, sizeof(entry->devpath))) { kmutex_unlock(&g_smscore_registrylock); return entry; } @@ -450,7 +450,7 @@ static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) entry = kmalloc(sizeof(*entry), GFP_KERNEL); if (entry) { entry->mode = default_mode; - strcpy(entry->devpath, devpath); + strlcpy(entry->devpath, devpath, sizeof(entry->devpath)); list_add(&entry->entry, &g_smscore_registry); } else pr_err("failed to create smscore_registry.\n"); @@ -649,6 +649,7 @@ smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, */ int smscore_register_device(struct smsdevice_params_t *params, struct smscore_device_t **coredev, + gfp_t gfp_buf_flags, void *mdev) { struct smscore_device_t *dev; @@ -661,6 +662,7 @@ int smscore_register_device(struct smsdevice_params_t *params, #ifdef CONFIG_MEDIA_CONTROLLER_DVB dev->media_dev = mdev; #endif + dev->gfp_buf_flags = gfp_buf_flags; /* init list entry so it could be safe in smscore_unregister_device */ INIT_LIST_HEAD(&dev->entry); @@ -697,7 +699,7 @@ int smscore_register_device(struct smsdevice_params_t *params, buffer = dma_alloc_coherent(params->device, dev->common_buffer_size, &dev->common_buffer_phys, - GFP_KERNEL | GFP_DMA); + GFP_KERNEL | dev->gfp_buf_flags); if (!buffer) { smscore_unregister_device(dev); return -ENOMEM; @@ -733,7 +735,7 @@ int smscore_register_device(struct smsdevice_params_t *params, dev->postload_handler = params->postload_handler; dev->device_flags = params->flags; - strcpy(dev->devpath, params->devpath); + strlcpy(dev->devpath, params->devpath, sizeof(dev->devpath)); smscore_registry_settype(dev->devpath, params->device_type); @@ -792,7 +794,7 @@ static int smscore_init_ir(struct smscore_device_t *coredev) else { buffer = kmalloc(sizeof(struct sms_msg_data2) + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); + GFP_KERNEL | coredev->gfp_buf_flags); if (buffer) { struct sms_msg_data2 *msg = (struct sms_msg_data2 *) @@ -933,7 +935,7 @@ static int smscore_load_firmware_family2(struct smscore_device_t *coredev, } /* PAGE_SIZE buffer shall be enough and dma aligned */ - msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); + msg = kmalloc(PAGE_SIZE, GFP_KERNEL | coredev->gfp_buf_flags); if (!msg) return -ENOMEM; @@ -1168,7 +1170,7 @@ static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, } pr_debug("read fw %s, buffer size=0x%zx\n", fw_filename, fw->size); fw_buf = kmalloc(ALIGN(fw->size + sizeof(struct sms_firmware), - SMS_ALLOC_ALIGNMENT), GFP_KERNEL | GFP_DMA); + SMS_ALLOC_ALIGNMENT), GFP_KERNEL | coredev->gfp_buf_flags); if (!fw_buf) { pr_err("failed to allocate firmware buffer\n"); rc = -ENOMEM; @@ -1260,7 +1262,7 @@ EXPORT_SYMBOL_GPL(smscore_unregister_device); static int smscore_detect_mode(struct smscore_device_t *coredev) { void *buffer = kmalloc(sizeof(struct sms_msg_hdr) + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); + GFP_KERNEL | coredev->gfp_buf_flags); struct sms_msg_hdr *msg = (struct sms_msg_hdr *) SMS_ALIGN_ADDRESS(buffer); int rc; @@ -1309,7 +1311,7 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode) int rc = 0; buffer = kmalloc(sizeof(struct sms_msg_data) + - SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); + SMS_DMA_ALIGNMENT, GFP_KERNEL | coredev->gfp_buf_flags); if (!buffer) return -ENOMEM; @@ -1398,7 +1400,7 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) coredev->device_flags &= ~SMS_DEVICE_NOT_READY; buffer = kmalloc(sizeof(struct sms_msg_data) + - SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); + SMS_DMA_ALIGNMENT, GFP_KERNEL | coredev->gfp_buf_flags); if (buffer) { struct sms_msg_data *msg = (struct sms_msg_data *) SMS_ALIGN_ADDRESS(buffer); @@ -1971,7 +1973,7 @@ int smscore_gpio_configure(struct smscore_device_t *coredev, u8 pin_num, total_len = sizeof(struct sms_msg_hdr) + (sizeof(u32) * 6); buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); + GFP_KERNEL | coredev->gfp_buf_flags); if (!buffer) return -ENOMEM; @@ -2043,7 +2045,7 @@ int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 pin_num, (3 * sizeof(u32)); /* keep it 3 ! */ buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); + GFP_KERNEL | coredev->gfp_buf_flags); if (!buffer) return -ENOMEM; @@ -2091,7 +2093,7 @@ int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 pin_num, total_len = sizeof(struct sms_msg_hdr) + (2 * sizeof(u32)); buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); + GFP_KERNEL | coredev->gfp_buf_flags); if (!buffer) return -ENOMEM; |