[HDFS-11933] Arguments check for ErasureCodingPolicy->composePolicyName

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha3
• Fix Version/s: 3.0.0-alpha4
• Component/s: hdfs-client
• Target Version/s: 3.0.0-alpha4
• Hadoop Flags: Reviewed
• Flags: Patch
• Assignee: lufei
• Reporter: lufei
• Created: 06/Jun/17 01:57
• Updated: 21/Jun/17 06:21
• Resolved: 21/Jun/17 05:49

Description

Function composePolicyName is called by ErasureCodingPolicy, but both of them are not judge the arguments not NULL.It 's better to judge in the function composePolicyName.