[LU-761] Return values of ll_prep_md_op_data() should be checked using IS_ERR().

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.2.0
• Affects Version/s: Lustre 2.1.0
• Severity: 3
• Assignee: Andreas Dilger
• Reporter: John Hammond

Description

Several places test to see if ll_prep_md_op_data() returned NULL. Others assume all errors are due to out of memory. Still other's dont check it at all when they should.

Issue Links

• Trackbacks: Changelog 2.2 version 2.2.0 Support for networks: o2iblnd OFED 1.5.4 Server support for kernels: 2.6.32220.4.2.el6 (RHEL6) Client support for unpatched kernels: 2.6.18274.18.1.el5 (RHEL5) 2.6.32220.4.2.el6 (RHEL6) 2.6.32.360....