The patch titled
usb: use kzfree()
has been added to the -mm tree. Its filename is
usb-use-kzfree.patch
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See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: usb: use kzfree()
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Use kzfree() instead of memset() + kfree().
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Reviewed-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/hwa-hc.c | 3 +--
drivers/usb/wusbcore/cbaf.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff -puN drivers/usb/host/hwa-hc.c~usb-use-kzfree drivers/usb/host/hwa-hc.c
--- a/drivers/usb/host/hwa-hc.c~usb-use-kzfree
+++ a/drivers/usb/host/hwa-hc.c
@@ -464,8 +464,7 @@ static int __hwahc_dev_set_key(struct wu
port_idx << 8 | iface_no,
keyd, keyd_len, 1000 /* FIXME: arbitrary */);
- memset(keyd, 0, sizeof(*keyd)); /* clear keys etc. */
- kfree(keyd);
+ kzfree(keyd); /* clear keys etc. */
return result;
}
diff -puN drivers/usb/wusbcore/cbaf.c~usb-use-kzfree drivers/usb/wusbcore/cbaf.c
--- a/drivers/usb/wusbcore/cbaf.c~usb-use-kzfree
+++ a/drivers/usb/wusbcore/cbaf.c
@@ -638,8 +638,7 @@ static void cbaf_disconnect(struct usb_i
usb_put_intf(iface);
kfree(cbaf->buffer);
/* paranoia: clean up crypto keys */
- memset(cbaf, 0, sizeof(*cbaf));
- kfree(cbaf);
+ kzfree(cbaf);
}
static struct usb_device_id cbaf_id_table[] = {
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
slab-introduce-kzfree.patch
linux-next.patch
crypto-use-kzfree.patch
s390-use-kzfree.patch
md-use-kzfree.patch
usb-use-kzfree.patch
cifs-use-kzfree.patch
ecryptfs-use-kzfree.patch
swsusp-clean-up-shrink_all_zones.patch
swsusp-dont-fiddle-with-swappiness.patch
vmscan-rename-scmay_swap-to-may_unmap.patch
mm-introduce-for_each_populated_zone-macro.patch
mm-introduce-for_each_populated_zone-macro-cleanup.patch
mm-shrink_all_memory-use-scnr_reclaimed.patch
mm-shrink_all_memory-use-scnr_reclaimed-checkpatch-fixes.patch
vmscan-clip-swap_cluster_max-in-shrink_all_memory.patch
memcg-remove-mem_cgroup_calc_mapped_ratio-take2.patch
--
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