Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750758AbVJAHHR (ORCPT ); Sat, 1 Oct 2005 03:07:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750760AbVJAHHQ (ORCPT ); Sat, 1 Oct 2005 03:07:16 -0400 Received: from sccrmhc13.comcast.net ([63.240.76.28]:4320 "EHLO sccrmhc13.comcast.net") by vger.kernel.org with ESMTP id S1750758AbVJAHHP (ORCPT ); Sat, 1 Oct 2005 03:07:15 -0400 Date: Sat, 1 Oct 2005 00:07:17 -0700 From: Deepak Saxena To: Linus Torvalds , Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: [PATCH] [drivers/fc4] kmalloc + memset -> kzalloc conversion Message-ID: <20051001070717.GH25424@plexity.net> Reply-To: dsaxena@plexity.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Organization: Plexity Networks User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5618 Lines: 147 Signed-off-by: Deepak Saxena diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c --- a/drivers/fc4/fc.c +++ b/drivers/fc4/fc.c @@ -266,13 +266,12 @@ static void fcp_report_map_done(fc_chann printk ("FC: Bad magic from REPORT_AL_MAP on %s - %08x\n", fc->name, p->magic); fc->state = FC_STATE_OFFLINE; } else { - fc->posmap = (fcp_posmap *)kmalloc(sizeof(fcp_posmap)+p->len, GFP_KERNEL); + fc->posmap = (fcp_posmap *)kzalloc(sizeof(fcp_posmap)+p->len, GFP_KERNEL); if (!fc->posmap) { printk("FC: Not enough memory, offlining channel\n"); fc->state = FC_STATE_OFFLINE; } else { int k; - memset(fc->posmap, 0, sizeof(fcp_posmap)+p->len); /* FIXME: This is where SOCAL transfers our AL-PA. Keep it here till we found out what other cards do... */ fc->sid = (p->magic & 0xff); @@ -351,14 +350,12 @@ void fcp_register(fc_channel *fc, u8 typ fc->dma_scsi_rsp = fc->dma_scsi_cmd + slots * sizeof (fcp_cmd); fc->scsi_bitmap_end = (slots + 63) & ~63; size = fc->scsi_bitmap_end / 8; - fc->scsi_bitmap = kmalloc (size, GFP_KERNEL); - memset (fc->scsi_bitmap, 0, size); + fc->scsi_bitmap = kzalloc (size, GFP_KERNEL); set_bit (0, fc->scsi_bitmap); for (i = fc->can_queue; i < fc->scsi_bitmap_end; i++) set_bit (i, fc->scsi_bitmap); fc->scsi_free = fc->can_queue; - fc->cmd_slots = (fcp_cmnd **)kmalloc(slots * sizeof(fcp_cmnd*), GFP_KERNEL); - memset(fc->cmd_slots, 0, slots * sizeof(fcp_cmnd*)); + fc->cmd_slots = (fcp_cmnd **)kzalloc(slots * sizeof(fcp_cmnd*), GFP_KERNEL); fc->abort_count = 0; } else { fc->scsi_name[0] = 0; @@ -541,12 +538,11 @@ int fcp_initialize(fc_channel *fcchain, FCND(("fcp_inititialize %08lx\n", (long)fcp_init)) FCND(("fc_channels %08lx\n", (long)fc_channels)) FCND((" SID %d DID %d\n", fcchain->sid, fcchain->did)) - l = kmalloc(sizeof (ls) + count, GFP_KERNEL); + l = kzalloc(sizeof (ls) + count, GFP_KERNEL); if (!l) { printk ("FC: Cannot allocate memory for initialization\n"); return -ENOMEM; } - memset (l, 0, sizeof(ls) + count); l->magic = LSMAGIC; l->count = count; FCND(("FCP Init for %d channels\n", count)) @@ -555,8 +551,8 @@ int fcp_initialize(fc_channel *fcchain, l->timer.function = fcp_login_timeout; l->timer.data = (unsigned long)l; atomic_set (&l->todo, count); - l->logi = kmalloc (count * 3 * sizeof(logi), GFP_KERNEL); - l->fcmds = kmalloc (count * sizeof(fcp_cmnd), GFP_KERNEL); + l->logi = kzalloc (count * 3 * sizeof(logi), GFP_KERNEL); + l->fcmds = kzalloc (count * sizeof(fcp_cmnd), GFP_KERNEL); if (!l->logi || !l->fcmds) { if (l->logi) kfree (l->logi); if (l->fcmds) kfree (l->fcmds); @@ -564,8 +560,6 @@ int fcp_initialize(fc_channel *fcchain, printk ("FC: Cannot allocate DMA memory for initialization\n"); return -ENOMEM; } - memset (l->logi, 0, count * 3 * sizeof(logi)); - memset (l->fcmds, 0, count * sizeof(fcp_cmnd)); for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) { fc->state = FC_STATE_UNINITED; fc->rst_pkt = NULL; /* kmalloc when first used */ @@ -678,13 +672,12 @@ int fcp_forceoffline(fc_channel *fcchain l.timer.function = fcp_login_timeout; l.timer.data = (unsigned long)&l; atomic_set (&l.todo, count); - l.fcmds = kmalloc (count * sizeof(fcp_cmnd), GFP_KERNEL); + l.fcmds = kzalloc (count * sizeof(fcp_cmnd), GFP_KERNEL); if (!l.fcmds) { kfree (l.fcmds); printk ("FC: Cannot allocate memory for forcing offline\n"); return -ENOMEM; } - memset (l.fcmds, 0, count * sizeof(fcp_cmnd)); FCND(("Initializing OFFLINE packets\n")) for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) { fc->state = FC_STATE_UNINITED; @@ -1114,9 +1107,8 @@ int fc_do_plogi(fc_channel *fc, unsigned logi *l; int status; - l = (logi *)kmalloc(2 * sizeof(logi), GFP_KERNEL); + l = (logi *)kzalloc(2 * sizeof(logi), GFP_KERNEL); if (!l) return -ENOMEM; - memset(l, 0, 2 * sizeof(logi)); l->code = LS_PLOGI; memcpy (&l->nport_wwn, &fc->wwn_nport, sizeof(fc_wwn)); memcpy (&l->node_wwn, &fc->wwn_node, sizeof(fc_wwn)); @@ -1149,9 +1141,8 @@ int fc_do_prli(fc_channel *fc, unsigned prli *p; int status; - p = (prli *)kmalloc(2 * sizeof(prli), GFP_KERNEL); + p = (prli *)kzalloc(2 * sizeof(prli), GFP_KERNEL); if (!p) return -ENOMEM; - memset(p, 0, 2 * sizeof(prli)); p->code = LS_PRLI; p->params[0] = 0x08002000; p->params[3] = 0x00000022; diff --git a/drivers/fc4/soc.c b/drivers/fc4/soc.c --- a/drivers/fc4/soc.c +++ b/drivers/fc4/soc.c @@ -556,10 +556,9 @@ static inline void soc_init(struct sbus_ int size, i; int irq; - s = kmalloc (sizeof (struct soc), GFP_KERNEL); + s = kzalloc (sizeof (struct soc), GFP_KERNEL); if (s == NULL) return; - memset (s, 0, sizeof(struct soc)); spin_lock_init(&s->lock); s->soc_no = no; diff --git a/drivers/fc4/socal.c b/drivers/fc4/socal.c --- a/drivers/fc4/socal.c +++ b/drivers/fc4/socal.c @@ -665,9 +665,8 @@ static inline void socal_init(struct sbu int size, i; int irq, node; - s = kmalloc (sizeof (struct socal), GFP_KERNEL); + s = kzalloc (sizeof (struct socal), GFP_KERNEL); if (!s) return; - memset (s, 0, sizeof(struct socal)); spin_lock_init(&s->lock); s->socal_no = no; -- Deepak Saxena - dsaxena@plexity.net - http://www.plexity.net Even a stopped clock gives the right time twice a day. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/