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authorZhaolei <zhaolei@cn.fujitsu.com>2009-03-25 12:06:05 +0800
committerSteven Rostedt <srostedt@redhat.com>2009-03-25 17:45:36 -0400
commit2a4efa42450762cbfa5c5712aa4cc9f06924c9fd (patch)
tree70af0a079541af99dec634fc89ce317dee2f1a33 /ipc/sem.c
parent759ee0915dd713361e72facb78b66600b5712d65 (diff)
ftrace: Using FTRACE_WARN_ON() to check "freed record" in ftrace_release()
"Because when we call ftrace_free_rec we change the rec->ip to point to the next record in the chain. Something is very wrong if rec->ip >= s && rec->ip < e and the record is already free." "Note, use FTRACE_WARN_ON() macro. This way it shuts down ftrace if it is hit and helps to avoid further damage later." -- Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'ipc/sem.c')
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