static struct aee_oops *emmc_ipanic_oops_copy(void) { struct aee_oops *oops = NULL; struct ipanic_header *hdr = NULL; int hdr_size = ALIGN(sizeof(struct ipanic_header), EMMC_BLOCK_SIZE); hdr = kzalloc(hdr_size, GFP_KERNEL); if (hdr == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: Cannot allocate ipanic header memory\n", __FUNCTION__); return NULL; } if (card_dump_func_read((unsigned char *)hdr, hdr_size, 0, EMMC_ID) < 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: emmc panic log header read failed\n", __func__); return NULL; } ipanic_block_scramble((unsigned char *)hdr, hdr_size); if (ipanic_header_check(hdr) != 0) { return NULL; } oops = aee_oops_create(AE_DEFECT_FATAL, AE_KE, IPANIC_MODULE_TAG); if (oops != NULL) { struct ipanic_oops_header *oops_header = (struct ipanic_oops_header *) emmc_allocate_and_read(hdr->oops_header_offset, hdr->oops_header_length); if (oops_header == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: Can't read oops header(len:%d)\n", __FUNCTION__, hdr->oops_header_length); goto error_return; } aee_oops_set_process_path(oops, oops_header->process_path); aee_oops_set_backtrace(oops, oops_header->backtrace); kfree(oops_header); if(hdr->oops_detail_length != 0) { oops->detail = emmc_allocate_and_read(hdr->oops_detail_offset, hdr->oops_detail_length); oops->detail_len = hdr->oops_detail_length; }else { #define TMPDETAILSTR "panic detail is empty" oops->detail = kstrdup(TMPDETAILSTR, GFP_KERNEL); oops->detail_len = sizeof TMPDETAILSTR; } if (oops->detail == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read detail failed(len: %d)\n", __FUNCTION__, oops->detail_len); goto error_return; } oops->console = emmc_allocate_and_read(hdr->console_offset, hdr->console_length); oops->console_len = hdr->console_length; if (oops->console == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read console failed(len: %d)\n", __FUNCTION__, oops->console_len); goto error_return; } /*If panic from kernel context, no user sapce info available. Shouldn't fail*/ if (0 == hdr->userspace_info_length) { oops->userspace_info = NULL; oops->userspace_info_len = 0; } else { oops->userspace_info = emmc_allocate_and_read(hdr->userspace_info_offset, hdr->userspace_info_length); oops->userspace_info_len = hdr->userspace_info_length; if (oops->userspace_info == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read usrespace info failed\n", __FUNCTION__); goto error_return; } } oops->android_main = emmc_allocate_and_read(hdr->android_main_offset, hdr->android_main_length); oops->android_main_len = hdr->android_main_length; if (oops->android_main == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read android_main failed\n", __FUNCTION__); goto error_return; } oops->android_radio = emmc_allocate_and_read(hdr->android_radio_offset, hdr->android_radio_length); oops->android_radio_len = hdr->android_radio_length; if (oops->android_radio == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read android_radio failed\n", __FUNCTION__); goto error_return; } oops->android_system = emmc_allocate_and_read(hdr->android_system_offset, hdr->android_system_length); oops->android_system_len = hdr->android_system_length; if (oops->android_system == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read android_system failed\n", __FUNCTION__); goto error_return; } xlog_printk(ANDROID_LOG_DEBUG, IPANIC_LOG_TAG, "ipanic_oops_copy return OK\n"); kfree(hdr); return oops; } else { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at header\n", __FUNCTION__); kfree(hdr); return NULL; } error_return: kfree(hdr); aee_oops_free(oops); return NULL; }
static struct aee_oops *mtd_ipanic_oops_copy(void) { struct mtd_ipanic_data *ctx = &mtd_drv_ctx; struct aee_oops *oops; if ((ctx->curr.magic != AEE_IPANIC_MAGIC) || (ctx->curr.version != AEE_IPANIC_PHDR_VERSION)) { return NULL; } oops = aee_oops_create(AE_DEFECT_FATAL, AE_KE, IPANIC_MODULE_TAG); if (oops != NULL) { struct ipanic_oops_header *oops_header = kzalloc(sizeof(struct ipanic_oops_header), GFP_KERNEL); if (oops_header == NULL) goto error_return; if (mtd_ipanic_block_read(ctx, ctx->curr.oops_header_offset, ctx->curr.oops_header_length, oops_header) != 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read header failed\n", __FUNCTION__); kfree(oops_header); goto error_return; } aee_oops_set_process_path(oops, oops_header->process_path); aee_oops_set_backtrace(oops, oops_header->backtrace); kfree(oops_header); if(ctx->curr.oops_detail_length != 0) { oops->detail = kmalloc(ctx->curr.oops_detail_length, GFP_KERNEL); oops->detail_len = ctx->curr.oops_detail_length; if (oops->detail != NULL) { if (mtd_ipanic_block_read(ctx, ctx->curr.oops_detail_offset, ctx->curr.oops_detail_length, oops->detail) != 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read detail failed\n", __FUNCTION__); kfree(oops->detail); goto error_return; } } }else { #define TMPDETAILSTR "panic detail is empty" oops->detail = kstrdup(TMPDETAILSTR,GFP_KERNEL); oops->detail_len = sizeof TMPDETAILSTR; } if(oops->detail == NULL) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at detail\n", __FUNCTION__); kfree(oops); return NULL; } oops->console = kmalloc(ctx->curr.console_length, GFP_KERNEL); oops->console_len = ctx->curr.console_length; if (oops->console != NULL) { if (mtd_ipanic_block_read(ctx, ctx->curr.console_offset, ctx->curr.console_length, oops->console) != 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read console failed\n", __FUNCTION__); kfree(oops->detail); goto error_return; } } else { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at detail\n", __FUNCTION__); kfree(oops); return NULL; } /* Android log */ oops->android_main = kmalloc(ctx->curr.android_main_length, GFP_KERNEL); oops->android_main_len = ctx->curr.android_main_length; if (oops->android_main) { if (mtd_ipanic_block_read(ctx, ctx->curr.android_main_offset, ctx->curr.android_main_length, oops->android_main) != 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read android_main failed\n", __FUNCTION__); kfree(oops->detail); kfree(oops->console); goto error_return; } } else { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at android_main\n", __FUNCTION__); aee_oops_free(oops); return NULL; } oops->android_radio = kmalloc(ctx->curr.android_radio_length, GFP_KERNEL); oops->android_radio_len = ctx->curr.android_radio_length; if (oops->android_radio) { if (mtd_ipanic_block_read(ctx, ctx->curr.android_radio_offset, ctx->curr.android_radio_length, oops->android_radio) != 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read android_radio failed\n", __FUNCTION__); kfree(oops->detail); kfree(oops->console); kfree(oops->android_main); goto error_return; } } else { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at android_radio\n", __FUNCTION__); aee_oops_free(oops); return NULL; } oops->android_system = kmalloc(ctx->curr.android_system_length, GFP_KERNEL); oops->android_system_len = ctx->curr.android_system_length; if (oops->android_system) { if (mtd_ipanic_block_read(ctx, ctx->curr.android_system_offset, ctx->curr.android_system_length, oops->android_system) != 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read android_system failed\n", __FUNCTION__); kfree(oops->detail); kfree(oops->console); kfree(oops->android_main); kfree(oops->android_radio); goto error_return; } } else { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at android_system\n", __FUNCTION__); aee_oops_free(oops); return NULL; } #if 0 xlog_printk(ANDROID_LOG_INFO, IPANIC_LOG_TAG, "android log length, 0x%x, 0x%x, 0x%x, 0x%x\n", oops->android_main_len,oops->android_event_len,oops->android_radio_len,oops->android_system_len); #endif /* Process dump */ oops->userspace_info = kmalloc(ctx->curr.userspace_info_length, GFP_KERNEL); oops->userspace_info_len = ctx->curr.userspace_info_length; if (oops->userspace_info) { if (mtd_ipanic_block_read(ctx, ctx->curr.userspace_info_offset, ctx->curr.userspace_info_length, oops->userspace_info) != 0) { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read usrespace info failed\n", __FUNCTION__); kfree(oops->detail); kfree(oops->console); kfree(oops->android_main); kfree(oops->android_radio); kfree(oops->userspace_info); goto error_return; } } else { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at userspace info failed\n", __FUNCTION__); aee_oops_free(oops); return NULL; } xlog_printk(ANDROID_LOG_DEBUG, IPANIC_LOG_TAG, "ipanic_oops_copy return OK\n"); return oops; } else { xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at header\n", __FUNCTION__); return NULL; } error_return: kfree(oops); memset(&ctx->curr, 0, sizeof(struct ipanic_header)); mtd_ipanic_block_erase(); return NULL; }