Merge tag 'v3.18.140' of https://source.codeaurora.org/quic/la/kernel/msm-3.18 into android-10-release-qpk30.54r11.0

This is the 3.18.140 stable release

gpg: Signature made Thu 16 May 2019 12:47:33 PM IST
gpg:                using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
Signed-off-by: ronaxdevil <pratabidya.007@gmail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/string.c b/lib/string.c
index 64a6b78762e1..a8b6280a58f3 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -778,6 +778,26 @@ __visible int memcmp(const void *cs, const void *ct, size_t count)
 EXPORT_SYMBOL(memcmp);
 #endif
 
+#ifndef __HAVE_ARCH_BCMP
+/**
+ * bcmp - returns 0 if and only if the buffers have identical contents.
+ * @a: pointer to first buffer.
+ * @b: pointer to second buffer.
+ * @len: size of buffers.
+ *
+ * The sign or magnitude of a non-zero return value has no particular
+ * meaning, and architectures may implement their own more efficient bcmp(). So
+ * while this particular implementation is a simple (tail) call to memcmp, do
+ * not rely on anything but whether the return value is zero or non-zero.
+ */
+#undef bcmp
+int bcmp(const void *a, const void *b, size_t len)
+{
+	return memcmp(a, b, len);
+}
+EXPORT_SYMBOL(bcmp);
+#endif
+
 #ifndef __HAVE_ARCH_MEMSCAN
 /**
  * memscan - Find a character in an area of memory.