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* [Qemu-devel] [PATCH v2] virtio-input: add parenthesis to const_le{16, 32}
@ 2016-04-12  5:51 Gerd Hoffmann
  2016-04-12 14:51 ` Eric Blake
  0 siblings, 1 reply; 2+ messages in thread
From: Gerd Hoffmann @ 2016-04-12  5:51 UTC (permalink / raw)
  To: qemu-devel; +Cc: eblake, Gerd Hoffmann, Michael S. Tsirkin

"_x" must be "(_x)" otherwise things fail if you pass in expressions.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/hw/virtio/virtio-input.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/hw/virtio/virtio-input.h b/include/hw/virtio/virtio-input.h
index af1c207..169adee 100644
--- a/include/hw/virtio/virtio-input.h
+++ b/include/hw/virtio/virtio-input.h
@@ -15,13 +15,13 @@ typedef struct virtio_input_event virtio_input_event;
 
 #if defined(HOST_WORDS_BIGENDIAN)
 # define const_le32(_x)                          \
-    (((_x & 0x000000ffU) << 24) |                \
-     ((_x & 0x0000ff00U) <<  8) |                \
-     ((_x & 0x00ff0000U) >>  8) |                \
-     ((_x & 0xff000000U) >> 24))
+    ((((_x) & 0x000000ffU) << 24) |              \
+     (((_x) & 0x0000ff00U) <<  8) |              \
+     (((_x) & 0x00ff0000U) >>  8) |              \
+     (((_x) & 0xff000000U) >> 24))
 # define const_le16(_x)                          \
-    (((_x & 0x00ff) << 8) |                      \
-     ((_x & 0xff00) >> 8))
+    ((((_x) & 0x00ff) << 8) |                    \
+     (((_x) & 0xff00) >> 8))
 #else
 # define const_le32(_x) (_x)
 # define const_le16(_x) (_x)
-- 
1.8.3.1

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2016-04-12  5:51 [Qemu-devel] [PATCH v2] virtio-input: add parenthesis to const_le{16, 32} Gerd Hoffmann
2016-04-12 14:51 ` Eric Blake

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