From: "Robert P. J. Day" Delete the few remaining unnecessary calls to memset(0) after a call to kzalloc(). Signed-off-by: Robert P. J. Day Cc: Andi Kleen Cc: Dmitry Torokhov Cc: Adam Belay Signed-off-by: Andrew Morton --- arch/x86_64/kernel/mce_amd.c | 2 -- drivers/input/gameport/ns558.c | 1 - drivers/pnp/pnpbios/rsparser.c | 1 - 3 files changed, 4 deletions(-) diff -puN arch/x86_64/kernel/mce_amd.c~remove-unnecessary-memset0-calls-after-kzalloc-calls arch/x86_64/kernel/mce_amd.c --- a/arch/x86_64/kernel/mce_amd.c~remove-unnecessary-memset0-calls-after-kzalloc-calls +++ a/arch/x86_64/kernel/mce_amd.c @@ -415,7 +415,6 @@ static __cpuinit int allocate_threshold_ b = kzalloc(sizeof(struct threshold_block), GFP_KERNEL); if (!b) return -ENOMEM; - memset(b, 0, sizeof(struct threshold_block)); b->block = block; b->bank = bank; @@ -504,7 +503,6 @@ static __cpuinit int threshold_create_ba err = -ENOMEM; goto out; } - memset(b, 0, sizeof(struct threshold_bank)); kobject_set_name(&b->kobj, "threshold_bank%i", bank); b->kobj.parent = &per_cpu(device_mce, cpu).kobj; diff -puN drivers/input/gameport/ns558.c~remove-unnecessary-memset0-calls-after-kzalloc-calls drivers/input/gameport/ns558.c --- a/drivers/input/gameport/ns558.c~remove-unnecessary-memset0-calls-after-kzalloc-calls +++ a/drivers/input/gameport/ns558.c @@ -151,7 +151,6 @@ static int ns558_isa_probe(int io) return -ENOMEM; } - memset(ns558, 0, sizeof(struct ns558)); ns558->io = io; ns558->size = 1 << i; ns558->gameport = port; diff -puN drivers/pnp/pnpbios/rsparser.c~remove-unnecessary-memset0-calls-after-kzalloc-calls drivers/pnp/pnpbios/rsparser.c --- a/drivers/pnp/pnpbios/rsparser.c~remove-unnecessary-memset0-calls-after-kzalloc-calls +++ a/drivers/pnp/pnpbios/rsparser.c @@ -530,7 +530,6 @@ pnpbios_parse_compatible_ids(unsigned ch dev_id = kzalloc(sizeof (struct pnp_id), GFP_KERNEL); if (!dev_id) return NULL; - memset(dev_id, 0, sizeof(struct pnp_id)); pnpid32_to_pnpid(p[1] | p[2] << 8 | p[3] << 16 | p[4] << 24,id); memcpy(&dev_id->id, id, 7); pnp_add_id(dev_id, dev); _