aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/cpu/mtrr
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2018-07-20 14:45:10 -0700
committerDavid S. Miller <davem@davemloft.net>2018-07-20 21:17:12 -0700
commitc4c5551df136a7c4edd7c2f433d9a296b39826a2 (patch)
treea33d9f228efd34b0ad18e380385093405ef72d98 /arch/x86/kernel/cpu/mtrr
parenttipc: make link capability update thread safe (diff)
parentMerge tag 'vfio-v4.18-rc6' of git://github.com/awilliam/linux-vfio (diff)
downloadlinux-dev-c4c5551df136a7c4edd7c2f433d9a296b39826a2.tar.xz
linux-dev-c4c5551df136a7c4edd7c2f433d9a296b39826a2.zip
Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux
All conflicts were trivial overlapping changes, so reasonably easy to resolve. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/kernel/cpu/mtrr')
-rw-r--r--arch/x86/kernel/cpu/mtrr/if.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index 4021d3859499..40eee6cc4124 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -106,7 +106,8 @@ mtrr_write(struct file *file, const char __user *buf, size_t len, loff_t * ppos)
memset(line, 0, LINE_SIZE);
- length = strncpy_from_user(line, buf, LINE_SIZE - 1);
+ len = min_t(size_t, len, LINE_SIZE - 1);
+ length = strncpy_from_user(line, buf, len);
if (length < 0)
return length;