summaryrefslogtreecommitdiff
path: root/drivers/vhost
diff options
context:
space:
mode:
authorBartosz Golaszewski <bgolaszewski@baylibre.com>2020-12-14 19:04:03 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-15 12:13:37 -0800
commit3a99974872ccb2f625c68a7444e7575f1c7fd06d (patch)
tree4ea8334a32e2f08d0790879bde54dc04646b5308 /drivers/vhost
parent64f0bd11696508feff896215c74496e3e9af617e (diff)
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/vringh.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
index b7403ba8e7f7..85d85faba058 100644
--- a/drivers/vhost/vringh.c
+++ b/drivers/vhost/vringh.c
@@ -198,7 +198,8 @@ static int resize_iovec(struct vringh_kiov *iov, gfp_t gfp)
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) {