When structure for output of json decoders in not initialized
spdk_json_decode_string may fail trying to free uninitialized
string.
This patch changes mallocs used to allocate context and structure
for output of decoder with calloc.
Fixes#1151
Change-Id: I180b2ec52350b4ca90e7c318b4f2d13af554ec49
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/483107
Reviewed-by: Alexey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>