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aic7xxx: replace kmalloc/memset by kzalloc

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This replaces kmalloc + memset by a call to kzalloc

This also fixes one checkpatch.pl issue in the process.

This improvement was suggested by "make coccicheck"

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Michael Opdenacker 2015-03-26 17:51:46 -07:00 committed by James Bottomley
parent cff549e486
commit 114fc1d9a8
4 changed files with 7 additions and 12 deletions
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3
drivers/scsi/aic7xxx/aic79xx_core.c
View file

@ -10437,14 +10437,13 @@ ahd_handle_en_lun(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb)
return;
}
}
lstate = kmalloc(sizeof(*lstate), GFP_ATOMIC);
lstate = kzalloc(sizeof(*lstate), GFP_ATOMIC);
if (lstate == NULL) {
xpt_print_path(ccb->ccb_h.path);
printk("Couldn't allocate lstate\n");
ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
return;
}
memset(lstate, 0, sizeof(*lstate));
status = xpt_create_path(&lstate->path, /*periph*/NULL,
xpt_path_path_id(ccb->ccb_h.path),
xpt_path_target_id(ccb->ccb_h.path),

3
drivers/scsi/aic7xxx/aic79xx_osm.c
View file

@ -1326,10 +1326,9 @@ int
ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
{
ahd->platform_data =
kmalloc(sizeof(struct ahd_platform_data), GFP_ATOMIC);
kzalloc(sizeof(struct ahd_platform_data), GFP_ATOMIC);
if (ahd->platform_data == NULL)
return (ENOMEM);
memset(ahd->platform_data, 0, sizeof(struct ahd_platform_data));
ahd->platform_data->irq = AHD_LINUX_NOIRQ;
ahd_lockinit(ahd);
ahd->seltime = (aic79xx_seltime & 0x3) << 4;

10
drivers/scsi/aic7xxx/aic7xxx_core.c
View file

@ -4464,10 +4464,9 @@ ahc_softc_init(struct ahc_softc *ahc)
ahc->pause = ahc->unpause | PAUSE;
/* XXX The shared scb data stuff should be deprecated */
if (ahc->scb_data == NULL) {
ahc->scb_data = kmalloc(sizeof(*ahc->scb_data), GFP_ATOMIC);
ahc->scb_data = kzalloc(sizeof(*ahc->scb_data), GFP_ATOMIC);
if (ahc->scb_data == NULL)
return (ENOMEM);
memset(ahc->scb_data, 0, sizeof(*ahc->scb_data));
}
return (0);
@ -4780,10 +4779,10 @@ ahc_init_scbdata(struct ahc_softc *ahc)
SLIST_INIT(&scb_data->sg_maps);
/* Allocate SCB resources */
scb_data->scbarray = kmalloc(sizeof(struct scb) * AHC_SCB_MAX_ALLOC, GFP_ATOMIC);
scb_data->scbarray = kzalloc(sizeof(struct scb) * AHC_SCB_MAX_ALLOC,
GFP_ATOMIC);
if (scb_data->scbarray == NULL)
return (ENOMEM);
memset(scb_data->scbarray, 0, sizeof(struct scb) * AHC_SCB_MAX_ALLOC);
/* Determine the number of hardware SCBs and initialize them */
@ -7558,14 +7557,13 @@ ahc_handle_en_lun(struct ahc_softc *ahc, struct cam_sim *sim, union ccb *ccb)
return;
}
}
lstate = kmalloc(sizeof(*lstate), GFP_ATOMIC);
lstate = kzalloc(sizeof(*lstate), GFP_ATOMIC);
if (lstate == NULL) {
xpt_print_path(ccb->ccb_h.path);
printk("Couldn't allocate lstate\n");
ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
return;
}
memset(lstate, 0, sizeof(*lstate));
status = xpt_create_path(&lstate->path, /*periph*/NULL,
xpt_path_path_id(ccb->ccb_h.path),
xpt_path_target_id(ccb->ccb_h.path),

3
drivers/scsi/aic7xxx/aic7xxx_osm.c
View file

@ -1214,10 +1214,9 @@ ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg)
{
ahc->platform_data =
kmalloc(sizeof(struct ahc_platform_data), GFP_ATOMIC);
kzalloc(sizeof(struct ahc_platform_data), GFP_ATOMIC);
if (ahc->platform_data == NULL)
return (ENOMEM);
memset(ahc->platform_data, 0, sizeof(struct ahc_platform_data));
ahc->platform_data->irq = AHC_LINUX_NOIRQ;
ahc_lockinit(ahc);
ahc->seltime = (aic7xxx_seltime & 0x3) << 4;