[LU-4078] bad ERR_PTR() use in mdc_locks.c

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.6.0
• Affects Version/s: Lustre 2.5.0
• Labels: mdc
• Severity: 3
• Assignee: John Hammond
• Reporter: John Hammond

Description

mdc_intent_open_pack() returns NULL and ERR_PTR() while its caller mdc_enqueue() only checks its return value using IS_ERR(). mdc_intent_getattr_pack() returns ERR_PTRs but mdc_intent_getattr_async() checks its return value by comparing to NULL.