> -----Original Message----- > From: Wu, Fengguang > Sent: Tuesday, January 27, 2015 1:36 PM > To: Weiny, Ira > Cc: [email protected]; Roland Dreier; Hefty, Sean; Hal Rosenstock; Or Gerlitz; > Yan Burman; [email protected]; [email protected] > Subject: [PATCH] IB/mad: fix ifnullfree.cocci warnings > > drivers/infiniband/core/mad.c:2088:3-8: WARNING: NULL check before freeing > functions like kfree, debugfs_remove, debugfs_remove_recursive or > usb_free_urb is not needed. Maybe consider reorganizing relevant code to > avoid passing NULL values. > > NULL check before some freeing functions is not needed. > > Based on checkpatch warning > "kfree(NULL) is safe this check is probably not required" > and kfreeaddr.cocci by Julia Lawall. > > Generated by: scripts/coccinelle/free/ifnullfree.cocci > > Signed-off-by: Fengguang Wu <[email protected]>
Signed-off-by: Ira Weiny <[email protected]> > --- > > mad.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > --- a/drivers/infiniband/core/mad.c > +++ b/drivers/infiniband/core/mad.c > @@ -2084,8 +2084,7 @@ out: > /* Post another receive request for this QP */ > if (response) { > ib_mad_post_receive_mads(qp_info, response); > - if (recv) > - kfree(recv); > + kfree(recv); > } else > ib_mad_post_receive_mads(qp_info, recv); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

