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fdt_support: make fdt_fixup_mtdparts() prototype more specific

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The second argument of fdt_fixup_mtdparts() is an opaque pointer,
'void *node_info', hence callers can pass any pointer.

Obviously, fdt_fixup_mtdparts() expects 'struct node_info *'
otherwise, it crashes run-time.

Change the prototype so that it is compile-time checked.

Also, add 'const' qualifier to it so that callers can constify
the struct node_info arrays.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Masahiro Yamada
2018-07-19 16:28:22 +09:00
parent 4a610fada1
commit 5f4e32d058
2 changed files with 15 additions and 9 deletions
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13
common/fdt_support.c
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@@ -893,9 +893,9 @@ err_prop:
*
* fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
*/
void fdt_fixup_mtdparts(void *blob, void *node_info, int node_info_size)
void fdt_fixup_mtdparts(void *blob, const struct node_info *node_info,
int node_info_size)
{
struct node_info *ni = node_info;
struct mtd_device *dev;
int i, idx;
int noff;
@@ -905,12 +905,13 @@ void fdt_fixup_mtdparts(void *blob, void *node_info, int node_info_size)
for (i = 0; i < node_info_size; i++) {
idx = 0;
noff = fdt_node_offset_by_compatible(blob, -1, ni[i].compat);
noff = fdt_node_offset_by_compatible(blob, -1,
node_info[i].compat);
while (noff != -FDT_ERR_NOTFOUND) {
debug("%s: %s, mtd dev type %d\n",
fdt_get_name(blob, noff, 0),
ni[i].compat, ni[i].type);
dev = device_find(ni[i].type, idx++);
node_info[i].compat, node_info[i].type);
dev = device_find(node_info[i].type, idx++);
if (dev) {
if (fdt_node_set_part_info(blob, noff, dev))
return; /* return on error */
@@ -918,7 +919,7 @@ void fdt_fixup_mtdparts(void *blob, void *node_info, int node_info_size)
/* Jump to next flash node */
noff = fdt_node_offset_by_compatible(blob, noff,
ni[i].compat);
node_info[i].compat);
}
}
}