* + vhost-vringh-use-krealloc_array.patch added to -mm tree
@ 2020-11-10 21:18 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2020-11-10 21:18 UTC (permalink / raw)
To: airlied, alexander.shishkin, andriy.shevchenko, bgolaszewski, bp,
bp, christian.koenig, cl, daniel.vetter, daniel, gustavo,
iamjoonsoo.kim, james.morse, jasowang, linus.walleij,
maarten.lankhorst, mchehab, mm-commits, mripard, mst, penberg,
perex, rientjes, rric, sumit.semwal, tiwai, tiwai, tony.luck,
tzimmermann, vbabka
The patch titled
Subject: vhost: vringh: use krealloc_array()
has been added to the -mm tree. Its filename is
vhost-vringh-use-krealloc_array.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/vhost-vringh-use-krealloc_array.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/vhost-vringh-use-krealloc_array.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: vhost: vringh: use krealloc_array()
Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.
Link: https://lkml.kernel.org/r/20201109110654.12547-5-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Christian Knig <christian.koenig@amd.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: David Rientjes <rientjes@google.com>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: James Morse <james.morse@arm.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Robert Richter <rric@kernel.org>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
drivers/vhost/vringh.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/vhost/vringh.c~vhost-vringh-use-krealloc_array
+++ a/drivers/vhost/vringh.c
@@ -198,7 +198,8 @@ static int resize_iovec(struct vringh_ki
flag = (iov->max_num & VRINGH_IOV_ALLOCATED);
if (flag)
- new = krealloc(iov->iov, new_num * sizeof(struct iovec), gfp);
+ new = krealloc_array(iov->iov, new_num,
+ sizeof(struct iovec), gfp);
else {
new = kmalloc_array(new_num, sizeof(struct iovec), gfp);
if (new) {
_
Patches currently in -mm which might be from bgolaszewski@baylibre.com are
mm-slab-clarify-kreallocs-behavior-with-__gfp_zero.patch
mm-slab-provide-krealloc_array.patch
alsa-pcm-use-krealloc_array.patch
vhost-vringh-use-krealloc_array.patch
pinctrl-use-krealloc_array.patch
edac-ghes-use-krealloc_array.patch
drm-atomic-use-krealloc_array.patch
hwtracing-intel-use-krealloc_array.patch
dma-buf-use-krealloc_array.patch
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2020-11-10 21:18 + vhost-vringh-use-krealloc_array.patch added to -mm tree akpm
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