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of: overlay: rename identifiers in dup_and_fixup_symbol_prop() 

More renaming of identifiers to better reflect what they do.

Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Frank Rowand 2017-10-17 16:36:24 -07:00 committed by Rob Herring
parent 0290c4ca25
commit 42b2e94fe8
1 changed files with 18 additions and 6 deletions
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24
drivers/of/overlay.c
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@ -90,17 +90,29 @@ static int overlay_notify(struct overlay_changeset *ovcs,
return 0;
}
/*
* The properties in the "/__symbols__" node are "symbols".
*
* The value of properties in the "/__symbols__" node is the path of a
* node in the subtree of a fragment node's "__overlay__" node, for
* example "/fragment@0/__overlay__/symbol_path_tail". Symbol_path_tail
* can be a single node or it may be a multi-node path.
*
* The duplicated property value will be modified by replacing the
* "/fragment_name/__overlay/" portion of the value with the target
* path from the fragment node.
*/
static struct property *dup_and_fixup_symbol_prop(
struct overlay_changeset *ovcs, const struct property *prop)
{
struct fragment *fragment;
struct property *new;
const char *overlay_name;
char *label_path;
char *symbol_path_tail;
char *symbol_path;
const char *target_path;
int k;
int label_path_len;
int symbol_path_tail_len;
int overlay_name_len;
int target_path_len;
@ -126,18 +138,18 @@ static struct property *dup_and_fixup_symbol_prop(
target_path = fragment->target->full_name;
target_path_len = strlen(target_path);
label_path = symbol_path + overlay_name_len;
label_path_len = strlen(label_path);
symbol_path_tail = symbol_path + overlay_name_len;
symbol_path_tail_len = strlen(symbol_path_tail);
new->name = kstrdup(prop->name, GFP_KERNEL);
new->length = target_path_len + label_path_len + 1;
new->length = target_path_len + symbol_path_tail_len + 1;
new->value = kzalloc(new->length, GFP_KERNEL);
if (!new->name || !new->value)
goto err_free;
strcpy(new->value, target_path);
strcpy(new->value + target_path_len, label_path);
strcpy(new->value + target_path_len, symbol_path_tail);
of_property_set_flag(new, OF_DYNAMIC);