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Check if given core device exists.

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Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2019-06-26 12:23:28 -04:00
parent 60192c447e
commit db534a70b6
1 changed files with 6 additions and 0 deletions
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6
modules/cas_cache/layer_cache_management.c
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@ -436,6 +436,7 @@ out_bdev:
int cache_mngt_prepare_core_cfg(struct ocf_mngt_core_config *cfg, int cache_mngt_prepare_core_cfg(struct ocf_mngt_core_config *cfg,
struct kcas_insert_core *cmd_info) struct kcas_insert_core *cmd_info)
{ {
struct block_device *bdev;
int result; int result;
if (strnlen(cmd_info->core_path_name, MAX_STR_LEN) >= MAX_STR_LEN) 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; 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) if (cmd_info->update_path)
return 0; return 0;