[alsa-devel] [PATCH v1 1/8] lib/uuid: Introduce uuid_{be|le}_cmp_p{p}() helpers

[Andy Shevchenko]

New helpers take pointers to uuid_{be|le} as parameters.

When using them on a raw data we don't need to do an ugly dereference
and, in some cases, a type casting.

Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Liam Girdwood <lgirdwood at gmail.com>
Cc: Mark Brown <broonie at kernel.org>
Cc: Vinod Koul <vinod.koul at intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada at linux.intel.com>
Cc: Benjamin Tissoires <benjamin.tissoires at redhat.com>
Cc: Kirti Wankhede <kwankhede at nvidia.com>
Cc: Alex Williamson <alex.williamson at redhat.com>
Cc: "K. Y. Srinivasan" <kys at microsoft.com>
Cc: Haiyang Zhang <haiyangz at microsoft.com>
Cc: Stephen Hemminger <sthemmin at microsoft.com>
Cc: Tomas Winkler <tomas.winkler at intel.com>
Cc: Matt Fleming <matt at codeblueprint.co.uk>
Cc: Ard Biesheuvel <ard.biesheuvel at linaro.org>
Cc: "Rafael J. Wysocki" <rjw at rjwysocki.net>

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
---
 include/linux/uuid.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/linux/uuid.h b/include/linux/uuid.h
index 4dff73a89758..45312cb5ac65 100644
--- a/include/linux/uuid.h
+++ b/include/linux/uuid.h
@@ -58,6 +58,26 @@ static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2)
 	return memcmp(&u1, &u2, sizeof(uuid_be));
 }
 
+static inline int uuid_le_cmp_p(const uuid_le *pu1, const uuid_le u2)
+{
+	return memcmp(pu1, &u2, sizeof(uuid_le));
+}
+
+static inline int uuid_be_cmp_p(const uuid_be *pu1, const uuid_be u2)
+{
+	return memcmp(pu1, &u2, sizeof(uuid_be));
+}
+
+static inline int uuid_le_cmp_pp(const uuid_le *pu1, const uuid_le *pu2)
+{
+	return memcmp(pu1, pu2, sizeof(uuid_le));
+}
+
+static inline int uuid_be_cmp_pp(const uuid_be *pu1, const uuid_be *pu2)
+{
+	return memcmp(pu1, pu2, sizeof(uuid_be));
+}
+
 void generate_random_uuid(unsigned char uuid[16]);
 
 extern void uuid_le_gen(uuid_le *u);
-- 
2.11.0