From db534a70b6ca0613fd373e6be02abfc3a4e53eab Mon Sep 17 00:00:00 2001 From: Michal Mielewczyk Date: Wed, 26 Jun 2019 12:23:28 -0400 Subject: [PATCH] Check if given core device exists. Signed-off-by: Michal Mielewczyk --- modules/cas_cache/layer_cache_management.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/modules/cas_cache/layer_cache_management.c b/modules/cas_cache/layer_cache_management.c index 383755c..7badc91 100644 --- a/modules/cas_cache/layer_cache_management.c +++ b/modules/cas_cache/layer_cache_management.c @@ -436,6 +436,7 @@ out_bdev: int cache_mngt_prepare_core_cfg(struct ocf_mngt_core_config *cfg, struct kcas_insert_core *cmd_info) { + struct block_device *bdev; int result; if (strnlen(cmd_info->core_path_name, MAX_STR_LEN) >= MAX_STR_LEN) @@ -452,6 +453,11 @@ int cache_mngt_prepare_core_cfg(struct ocf_mngt_core_config *cfg, return 0; } + bdev = lookup_bdev(cfg->uuid.data); + if (IS_ERR(bdev)) + return -OCF_ERR_INVAL_VOLUME_TYPE; + bdput(bdev); + if (cmd_info->update_path) return 0;