diff options
| author | Jacob Erlbeck <jerlbeck@sysmocom.de> | 2013-10-08 12:04:41 +0200 |
|---|---|---|
| committer | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2013-10-08 14:00:24 +0200 |
| commit | 42e0dc0cc3d20b4c222151dc7a9b5e63dabac734 (patch) | |
| tree | e953cc3c3c75febb32968da680dfd69ec6145f22 | |
| parent | bb9f89745a96dc2b1452a05d4b0e260c276a5779 (diff) | |
msgb: Add may_alias attribute to struct libgb_msgb_cb
This explicitely allows aliasing of this struct to avoid the warning
shown below. Note, that this warning isn't show when
'-fno-strict-aliasing' is used.
Addresses:
gb/gprs_ns_test.c:85:54: warning: dereferencing type-punned pointer will
break strict-aliasing rules [-Wstrict-aliasing]
| -rw-r--r-- | include/osmocom/gprs/gprs_msgb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/osmocom/gprs/gprs_msgb.h b/include/osmocom/gprs/gprs_msgb.h index f4c85547..e277696b 100644 --- a/include/osmocom/gprs/gprs_msgb.h +++ b/include/osmocom/gprs/gprs_msgb.h @@ -16,7 +16,7 @@ struct libgb_msgb_cb { /* Identifier of a MS (inside BTS), equal to 'struct sgsn_mm_ctx' */ uint32_t tlli; -} __attribute__((packed)); +} __attribute__((packed, may_alias)); #define LIBGB_MSGB_CB(__msgb) ((struct libgb_msgb_cb *)&((__msgb)->cb[0])) #define msgb_tlli(__x) LIBGB_MSGB_CB(__x)->tlli #define msgb_nsei(__x) LIBGB_MSGB_CB(__x)->nsei |