Please check for false positives in the output before submitting a patch. When using "patch" mode, carefully review the patch before submitting it. warning: line 134: should no_llseek be a metavariable? warning: line 141: should noop_llseek be a metavariable? warning: line 223: should nonseekable_open be a metavariable? warning: line 290: should nonseekable_open be a metavariable? warning: line 338: should nonseekable_open be a metavariable? /home/cocci/testing/net/ipv6/mcast.c:2006:12-21: ERROR: pmc is NULL but dereferenced.