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Date: Sun, 27 Nov 2016 22:33:26 +0530 From: Bhumika Goyal <bhumirks@...il.com> To: julia.lawall@...6.fr, ath9k-devel@....qualcomm.com, kvalo@...eaurora.org, linux-wireless@...r.kernel.org, ath9k-devel@...ts.ath9k.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Bhumika Goyal <bhumirks@...il.com> Subject: [PATCH] wireless: ath: ath9k: constify ath_bus_ops structure Declare the structure ath_bus_ops as const as it is only passed as an argument to the function ath9k_init_device. This argument is of type const struct ath_bus_ops *, so ath_bus_ops structures with this property can be declared as const. Done using Coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct ath_bus_ops i@p = {...}; @ok1@ identifier r1.i; position p; expression e1,e2; @@ ath9k_init_device(e1,e2,&i@p) @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct ath_bus_ops i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct ath_bus_ops i; File size before: text data bss dec hex filename 1295 232 0 1527 5f7 ath/ath9k/ahb.o File size after: text data bss dec hex filename 1359 176 0 1535 5ff ath/ath9k/ahb.o Signed-off-by: Bhumika Goyal <bhumirks@...il.com> --- drivers/net/wireless/ath/ath9k/ahb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c index bea6186..2bd982c 100644 --- a/drivers/net/wireless/ath/ath9k/ahb.c +++ b/drivers/net/wireless/ath/ath9k/ahb.c @@ -62,7 +62,7 @@ static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data) return false; } -static struct ath_bus_ops ath_ahb_bus_ops = { +static const struct ath_bus_ops ath_ahb_bus_ops = { .ath_bus_type = ATH_AHB, .read_cachesize = ath_ahb_read_cachesize, .eeprom_read = ath_ahb_eeprom_read, -- 1.9.1
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