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| author | Peter Wu <peter@lekensteyn.nl> | 2014-11-17 22:33:32 +0100 |
|---|---|---|
| committer | Peter Wu <peter@lekensteyn.nl> | 2014-11-18 10:30:31 +0100 |
| commit | 97f243938906f8704dea395d2f68b880abce8779 (patch) | |
| tree | c2638fed18c640bc2f59642ad9793ffb9d8df004 | |
| parent | 2e87407eb91407e64f3d23de07b9dc91735a6a49 (diff) | |
| download | upower-97f243938906f8704dea395d2f68b880abce8779.tar.gz | |
hidpp-device: avoid unaligned memory access
Fixes a -Wcast-align warning and a -fsanitize=undefined error.
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
| -rw-r--r-- | src/linux/hidpp-device.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/linux/hidpp-device.c b/src/linux/hidpp-device.c index 19a0ae6..106f55a 100644 --- a/src/linux/hidpp-device.c +++ b/src/linux/hidpp-device.c @@ -818,7 +818,7 @@ hidpp_device_refresh (HidppDevice *device, /* get serial number, this can be queried from the receiver */ if ((refresh_flags & HIDPP_REFRESH_FLAGS_SERIAL) > 0) { - guint32 *serialp; + guint32 serial; msg.type = HIDPP_MSG_TYPE_SHORT; msg.device_idx = HIDPP_RECEIVER_ADDRESS; @@ -834,8 +834,8 @@ hidpp_device_refresh (HidppDevice *device, if (!ret) goto out; - serialp = (guint32 *) &msg.l.params[1]; - priv->serial = g_strdup_printf ("%08X", g_ntohl(*serialp)); + memcpy (&serial, msg.l.params + 1, sizeof(serial)); + priv->serial = g_strdup_printf ("%08X", g_ntohl(serial)); } /* get battery status */ |