From: Tom Zanussi zanussi@kernel.org
commit 67ab5eb71b37b55f7c5522d080a1b42823351776 upstream.
tr->n_err_log_entries should only be increased if entry allocation succeeds.
Doing it when it fails won't cause any problems other than wasting an entry, but should be fixed anyway.
Link: https://lkml.kernel.org/r/cad1ab28f75968db0f466925e7cba5970cec6c29.164331970...
Cc: stable@vger.kernel.org Fixes: 2f754e771b1a6 ("tracing: Don't inc err_log entry count if entry allocation fails") Signed-off-by: Tom Zanussi zanussi@kernel.org Signed-off-by: Steven Rostedt (Google) rostedt@goodmis.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- kernel/trace/trace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -7734,7 +7734,8 @@ static struct tracing_log_err *get_traci err = kzalloc(sizeof(*err), GFP_KERNEL); if (!err) err = ERR_PTR(-ENOMEM); - tr->n_err_log_entries++; + else + tr->n_err_log_entries++;
return err; }