treewide: Replace kmalloc with kmalloc_obj for non-scalar types

This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/test_hmm.c b/lib/test_hmm.c
index 455a6862ae50..0f9eb1c16ef0 100644
--- a/lib/test_hmm.c
+++ b/lib/test_hmm.c
@@ -166,7 +166,7 @@ static int dmirror_fops_open(struct inode *inode, struct file *filp)
 	int ret;
 
 	/* Mirror this process address space */
-	dmirror = kzalloc(sizeof(*dmirror), GFP_KERNEL);
+	dmirror = kzalloc_obj(*dmirror, GFP_KERNEL);
 	if (dmirror == NULL)
 		return -ENOMEM;
 
@@ -504,7 +504,7 @@ static int dmirror_allocate_chunk(struct dmirror_device *mdevice,
 	void *ptr;
 	int ret = -ENOMEM;
 
-	devmem = kzalloc(sizeof(*devmem), GFP_KERNEL);
+	devmem = kzalloc_obj(*devmem, GFP_KERNEL);
 	if (!devmem)
 		return ret;