WAN: use designated initializers

Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/lmc/lmc_media.c

@@ -95,62 +95,63 @@ static inline void write_av9110_bit (lmc_softc_t *, int);
 static void write_av9110(lmc_softc_t *, u32, u32, u32, u32, u32);
 
 lmc_media_t lmc_ds3_media = {
-  lmc_ds3_init,			/* special media init stuff */
-  lmc_ds3_default,		/* reset to default state */
-  lmc_ds3_set_status,		/* reset status to state provided */
-  lmc_dummy_set_1,		/* set clock source */
-  lmc_dummy_set2_1,		/* set line speed */
-  lmc_ds3_set_100ft,		/* set cable length */
-  lmc_ds3_set_scram,		/* set scrambler */
-  lmc_ds3_get_link_status,	/* get link status */
-  lmc_dummy_set_1,		/* set link status */
-  lmc_ds3_set_crc_length,	/* set CRC length */
-  lmc_dummy_set_1,		/* set T1 or E1 circuit type */
-  lmc_ds3_watchdog
+  .init = lmc_ds3_init,				/* special media init stuff */
+  .defaults = lmc_ds3_default,			/* reset to default state */
+  .set_status = lmc_ds3_set_status,		/* reset status to state provided */
+  .set_clock_source = lmc_dummy_set_1,		/* set clock source */
+  .set_speed = lmc_dummy_set2_1,		/* set line speed */
+  .set_cable_length = lmc_ds3_set_100ft,	/* set cable length */
+  .set_scrambler = lmc_ds3_set_scram,		/* set scrambler */
+  .get_link_status = lmc_ds3_get_link_status,	/* get link status */
+  .set_link_status = lmc_dummy_set_1,		/* set link status */
+  .set_crc_length = lmc_ds3_set_crc_length,	/* set CRC length */
+  .set_circuit_type = lmc_dummy_set_1,		/* set T1 or E1 circuit type */
+  .watchdog = lmc_ds3_watchdog
 };
 
 lmc_media_t lmc_hssi_media = {
-  lmc_hssi_init,		/* special media init stuff */
-  lmc_hssi_default,		/* reset to default state */
-  lmc_hssi_set_status,		/* reset status to state provided */
-  lmc_hssi_set_clock,		/* set clock source */
-  lmc_dummy_set2_1,		/* set line speed */
-  lmc_dummy_set_1,		/* set cable length */
-  lmc_dummy_set_1,		/* set scrambler */
-  lmc_hssi_get_link_status,	/* get link status */
-  lmc_hssi_set_link_status,	/* set link status */
-  lmc_hssi_set_crc_length,	/* set CRC length */
-  lmc_dummy_set_1,		/* set T1 or E1 circuit type */
-  lmc_hssi_watchdog
+  .init = lmc_hssi_init,			/* special media init stuff */
+  .defaults = lmc_hssi_default,			/* reset to default state */
+  .set_status = lmc_hssi_set_status,		/* reset status to state provided */
+  .set_clock_source = lmc_hssi_set_clock,	/* set clock source */
+  .set_speed = lmc_dummy_set2_1,		/* set line speed */
+  .set_cable_length = lmc_dummy_set_1,		/* set cable length */
+  .set_scrambler = lmc_dummy_set_1,		/* set scrambler */
+  .get_link_status = lmc_hssi_get_link_status,	/* get link status */
+  .set_link_status = lmc_hssi_set_link_status,	/* set link status */
+  .set_crc_length = lmc_hssi_set_crc_length,	/* set CRC length */
+  .set_circuit_type = lmc_dummy_set_1,		/* set T1 or E1 circuit type */
+  .watchdog = lmc_hssi_watchdog
 };
 
-lmc_media_t lmc_ssi_media = { lmc_ssi_init,	/* special media init stuff */
-  lmc_ssi_default,		/* reset to default state */
-  lmc_ssi_set_status,		/* reset status to state provided */
-  lmc_ssi_set_clock,		/* set clock source */
-  lmc_ssi_set_speed,		/* set line speed */
-  lmc_dummy_set_1,		/* set cable length */
-  lmc_dummy_set_1,		/* set scrambler */
-  lmc_ssi_get_link_status,	/* get link status */
-  lmc_ssi_set_link_status,	/* set link status */
-  lmc_ssi_set_crc_length,	/* set CRC length */
-  lmc_dummy_set_1,		/* set T1 or E1 circuit type */
-  lmc_ssi_watchdog
+lmc_media_t lmc_ssi_media = {
+  .init = lmc_ssi_init,				/* special media init stuff */
+  .defaults = lmc_ssi_default,			/* reset to default state */
+  .set_status = lmc_ssi_set_status,		/* reset status to state provided */
+  .set_clock_source = lmc_ssi_set_clock,	/* set clock source */
+  .set_speed = lmc_ssi_set_speed,		/* set line speed */
+  .set_cable_length = lmc_dummy_set_1,		/* set cable length */
+  .set_scrambler = lmc_dummy_set_1,		/* set scrambler */
+  .get_link_status = lmc_ssi_get_link_status,	/* get link status */
+  .set_link_status = lmc_ssi_set_link_status,	/* set link status */
+  .set_crc_length = lmc_ssi_set_crc_length,	/* set CRC length */
+  .set_circuit_type = lmc_dummy_set_1,		/* set T1 or E1 circuit type */
+  .watchdog = lmc_ssi_watchdog
 };
 
 lmc_media_t lmc_t1_media = {
-  lmc_t1_init,			/* special media init stuff */
-  lmc_t1_default,		/* reset to default state */
-  lmc_t1_set_status,		/* reset status to state provided */
-  lmc_t1_set_clock,		/* set clock source */
-  lmc_dummy_set2_1,		/* set line speed */
-  lmc_dummy_set_1,		/* set cable length */
-  lmc_dummy_set_1,		/* set scrambler */
-  lmc_t1_get_link_status,	/* get link status */
-  lmc_dummy_set_1,		/* set link status */
-  lmc_t1_set_crc_length,	/* set CRC length */
-  lmc_t1_set_circuit_type,	/* set T1 or E1 circuit type */
-  lmc_t1_watchdog
+  .init = lmc_t1_init,				/* special media init stuff */
+  .defaults = lmc_t1_default,			/* reset to default state */
+  .set_status = lmc_t1_set_status,		/* reset status to state provided */
+  .set_clock_source = lmc_t1_set_clock,		/* set clock source */
+  .set_speed = lmc_dummy_set2_1,		/* set line speed */
+  .set_cable_length = lmc_dummy_set_1,		/* set cable length */
+  .set_scrambler = lmc_dummy_set_1,		/* set scrambler */
+  .get_link_status = lmc_t1_get_link_status,	/* get link status */
+  .set_link_status = lmc_dummy_set_1,		/* set link status */
+  .set_crc_length = lmc_t1_set_crc_length,	/* set CRC length */
+  .set_circuit_type = lmc_t1_set_circuit_type,	/* set T1 or E1 circuit type */
+  .watchdog = lmc_t1_watchdog
 };
 
 static void