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tty/vt: consolemap: zero uni_pgdir using kcalloc() 

The newly allocated p->uni_pgdir[n] is initialized to NULLs right after
a kmalloc_array() allocation. Combine these two using kcalloc().

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220607104946.18710-11-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2022-06-07 12:49:21 +02:00 committed by Greg Kroah-Hartman
parent 9254365443
commit 32bd78fc49
1 changed files with 3 additions and 5 deletions
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8
drivers/tty/vt/consolemap.c
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@ -499,18 +499,16 @@ static int con_unify_unimap(struct vc_data *conp, struct uni_pagedict *p)
static int
con_insert_unipair(struct uni_pagedict *p, u_short unicode, u_short fontpos)
{
int i, n;
int n;
u16 **p1, *p2;
n = UNI_DIR(unicode);
p1 = p->uni_pgdir[n];
if (!p1) {
p1 = p->uni_pgdir[n] = kmalloc_array(UNI_DIR_ROWS,
sizeof(u16 *), GFP_KERNEL);
p1 = p->uni_pgdir[n] = kcalloc(UNI_DIR_ROWS, sizeof(u16 *),
GFP_KERNEL);
if (!p1)
return -ENOMEM;
for (i = 0; i < UNI_DIR_ROWS; i++)
p1[i] = NULL;
}
n = UNI_ROW(unicode);