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staging: unisys: visorutil: Use kzalloc instead of kmalloc with memset 

Fix coccinelle warnings of better allocation by using kzalloc.
In these cases, kzalloc is preferred, as kmalloc may fail if it does not find
contiguous memory.

Signed-off-by: Iulia Manda <iulia.manda21@gmail.com>
Acked-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
This commit is contained in:
Iulia Manda 2014-03-12 01:28:53 +02:00 committed by Peter P Waskiewicz Jr
parent 464a5028ea
commit 56116b2b09
1 changed files with 8 additions and 16 deletions
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18
drivers/staging/unisys/visorutil/procobjecttree.c
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@ -140,10 +140,9 @@ MYPROCTYPE *visor_proc_CreateType(struct proc_dir_entry *procDirRoot,
FAIL("procDirRoot cannot be NULL!", 0);
if (name == NULL || name[0] == NULL)
FAIL("name must contain at least 1 node name!", 0);
type = kmalloc(sizeof(MYPROCTYPE), GFP_KERNEL|__GFP_NORETRY);
type = kzalloc(sizeof(MYPROCTYPE), GFP_KERNEL | __GFP_NORETRY);
if (type == NULL)
FAIL("out of memory", 0);
memset(type, 0, sizeof(MYPROCTYPE));
type->name = name;
type->propertyNames = propertyNames;
type->nProperties = 0;
@ -155,13 +154,11 @@ MYPROCTYPE *visor_proc_CreateType(struct proc_dir_entry *procDirRoot,
type->nProperties++;
while (type->name[type->nNames] != NULL)
type->nNames++;
type->procDirs = kmalloc((type->nNames+1)*
type->procDirs = kzalloc((type->nNames + 1) *
sizeof(struct proc_dir_entry *),
GFP_KERNEL | __GFP_NORETRY);
if (type->procDirs == NULL)
FAIL("out of memory", 0);
memset(type->procDirs, 0, (type->nNames + 1) *
sizeof(struct proc_dir_entry *));
parent = procDirRoot;
for (i = 0; i < type->nNames; i++) {
type->procDirs[i] = createProcDir(type->name[i], parent);
@ -218,10 +215,9 @@ MYPROCOBJECT *visor_proc_CreateObject(MYPROCTYPE *type,
if (type == NULL)
FAIL("type cannot be NULL", 0);
obj = kmalloc(sizeof(MYPROCOBJECT), GFP_KERNEL | __GFP_NORETRY);
obj = kzalloc(sizeof(MYPROCOBJECT), GFP_KERNEL | __GFP_NORETRY);
if (obj == NULL)
FAIL("out of memory", 0);
memset(obj, 0, sizeof(MYPROCOBJECT));
obj->type = type;
obj->context = context;
if (name == NULL) {
@ -240,19 +236,15 @@ MYPROCOBJECT *visor_proc_CreateObject(MYPROCTYPE *type,
RETPTR(NULL);
}
obj->procDirPropertyContexts =
kmalloc((type->nProperties+1)*sizeof(PROCDIRENTRYCONTEXT),
kzalloc((type->nProperties + 1) * sizeof(PROCDIRENTRYCONTEXT),
GFP_KERNEL | __GFP_NORETRY);
if (obj->procDirPropertyContexts == NULL)
FAIL("out of memory", 0);
memset(obj->procDirPropertyContexts, 0,
(type->nProperties+1)*sizeof(PROCDIRENTRYCONTEXT));
obj->procDirProperties =
kmalloc((type->nProperties+1) * sizeof(struct proc_dir_entry *),
kzalloc((type->nProperties + 1) * sizeof(struct proc_dir_entry *),
GFP_KERNEL | __GFP_NORETRY);
if (obj->procDirProperties == NULL)
FAIL("out of memory", 0);
memset(obj->procDirProperties, 0,
(type->nProperties+1) * sizeof(struct proc_dir_entry *));
for (i = 0; i < type->nProperties; i++) {
obj->procDirPropertyContexts[i].procObject = obj;
obj->procDirPropertyContexts[i].propertyIndex = i;