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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-04-07 08:46:23 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-04-07 08:46:23 -0700
commit5f63e885ac32429fc1340f5a61e1484022efc773 (patch)
treef9a21a6902e1857274775b96d561d8be17287860 /lib
parentb6d2d3289f84e9c7449dff04fb959e29207acd80 (diff)
parentf22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff)
Merge tag 'v4.0-rc7' into next
Sync up with Linux 4.0-rc7 to bring in ALPS changes.
Diffstat (limited to 'lib')
-rw-r--r--lib/lcm.c11
-rw-r--r--lib/nlattr.c2
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/lcm.c b/lib/lcm.c
index e97dbd51e756..03d7fcb420b5 100644
--- a/lib/lcm.c
+++ b/lib/lcm.c
@@ -12,3 +12,14 @@ unsigned long lcm(unsigned long a, unsigned long b)
return 0;
}
EXPORT_SYMBOL_GPL(lcm);
+
+unsigned long lcm_not_zero(unsigned long a, unsigned long b)
+{
+ unsigned long l = lcm(a, b);
+
+ if (l)
+ return l;
+
+ return (b ? : a);
+}
+EXPORT_SYMBOL_GPL(lcm_not_zero);
diff --git a/lib/nlattr.c b/lib/nlattr.c
index 76a1b59523ab..f5907d23272d 100644
--- a/lib/nlattr.c
+++ b/lib/nlattr.c
@@ -279,6 +279,8 @@ int nla_memcpy(void *dest, const struct nlattr *src, int count)
int minlen = min_t(int, count, nla_len(src));
memcpy(dest, nla_data(src), minlen);
+ if (count > minlen)
+ memset(dest + minlen, 0, count - minlen);
return minlen;
}