| From | Ben Hutchings <> | Date | Sun, 11 Nov 2018 19:49:05 +0000 | Subject | [PATCH 3.16 093/366] libata: zpodd: make arrays cdb static, reduces object code size |
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3.16.61-rc1 review patch. If anyone has any objections, please let me know.
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From: Colin Ian King <colin.king@canonical.com>
commit 795ef788145ed2fa023efdf11e8d5d7bedc21462 upstream.
Don't populate the arrays cdb on the stack, instead make them static. Makes the object code smaller by 230 bytes:
Before: text data bss dec hex filename 3797 240 0 4037 fc5 drivers/ata/libata-zpodd.o
After: text data bss dec hex filename 3407 400 0 3807 edf drivers/ata/libata-zpodd.o
Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/ata/libata-zpodd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/ata/libata-zpodd.c +++ b/drivers/ata/libata-zpodd.c @@ -34,7 +34,7 @@ struct zpodd { static int eject_tray(struct ata_device *dev) { struct ata_taskfile tf; - const char cdb[] = { GPCMD_START_STOP_UNIT, + static const char cdb[] = { GPCMD_START_STOP_UNIT, 0, 0, 0, 0x02, /* LoEj */ 0, 0, 0, 0, 0, 0, 0, @@ -55,7 +55,7 @@ static enum odd_mech_type zpodd_get_mech unsigned int ret; struct rm_feature_desc *desc = (void *)(buf + 8); struct ata_taskfile tf; - char cdb[] = { GPCMD_GET_CONFIGURATION, + static const char cdb[] = { GPCMD_GET_CONFIGURATION, 2, /* only 1 feature descriptor requested */ 0, 3, /* 3, removable medium feature */ 0, 0, 0,/* reserved */
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