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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 16:58:19 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 16:58:19 +0200
commit981b4677364dee053763a4c542ed9eb6d94c246c (patch)
tree444ec28b6ad6df436d16e85c535f9152cbced85a /drivers/hwtracing/stm/core.c
parent234b7f8d3bf2738024b155b87303ed1218e620fa (diff)
parenta0e7df335afd2a8a8a688251ffee375b58b6517c (diff)
downloadop-kernel-dev-981b4677364dee053763a4c542ed9eb6d94c246c.zip
op-kernel-dev-981b4677364dee053763a4c542ed9eb6d94c246c.tar.gz
Merge tag 'stm-for-greg-20170825' of git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm into char-misc-next
Alexander writes: stm class / intel_th: Updates for 4.14 Intel TH: * Updated subdevice management code to better fit host mode * Added support for Low Power Path (LPP) output type * Fixed memory allocation with IOMMU enabled (DMAR tables) * Added Cannon Lake PCH PCI IDs * Added a quirk to force time sync on devices that need it STM: * Fixed potential read overflow in ioctl() * Documented stm_ftrace source.
Diffstat (limited to 'drivers/hwtracing/stm/core.c')
-rw-r--r--drivers/hwtracing/stm/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 0e73114..9414900 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -566,7 +566,7 @@ static int stm_char_policy_set_ioctl(struct stm_file *stmf, void __user *arg)
if (copy_from_user(&size, arg, sizeof(size)))
return -EFAULT;
- if (size >= PATH_MAX + sizeof(*id))
+ if (size < sizeof(*id) || size >= PATH_MAX + sizeof(*id))
return -EINVAL;
/*
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