Documentation: Fix syntax of kmalloc_objs example in coding style doc

The first parameter should match the variable that the allocated memory
is assigned to. Fix the example accordingly, the one for kmalloc_obj got
it right already.

Fixes: 7c6d969d53 ("Documentation: adopt new coding style of type-aware kmalloc-family")
Signed-off-by: Uwe Kleine-König <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
Message-ID: <[email protected]>

Documentation/process/coding-style.rst

@@ -959,13 +959,13 @@ The preferred form for allocating an array is the following:
 
 .. code-block:: c
 
-	p = kmalloc_objs(*ptr, n, ...);
+	p = kmalloc_objs(*p, n, ...);
 
 The preferred form for allocating a zeroed array is the following:
 
 .. code-block:: c
 
-	p = kzalloc_objs(*ptr, n, ...);
+	p = kzalloc_objs(*p, n, ...);
 
 Both forms check for overflow on the allocation size n * sizeof(...),
 and return NULL if that occurred.