[PATCH v3 17/18] of: unittest: find overlays[] entry by name instead of index
From: <hidden>
Date: 2018-10-15 00:26:25
Also in:
linux-fpga, linuxppc-dev, lkml
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
From: Frank Rowand <redacted> One accessor of overlays[] was using a hard coded index value to find the correct array entry instead of searching for the entry containing the correct name. Signed-off-by: Frank Rowand <redacted> --- drivers/of/unittest.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 1c2bd8503095..785985bdbfa6 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c@@ -2178,7 +2178,7 @@ struct overlay_info { OVERLAY_INFO_EXTERN(overlay_bad_phandle); OVERLAY_INFO_EXTERN(overlay_bad_symbol); -/* order of entries is hard-coded into users of overlays[] */ +/* entries found by name */ static struct overlay_info overlays[] = { OVERLAY_INFO(overlay_base, -9999), OVERLAY_INFO(overlay, 0),
@@ -2201,7 +2201,8 @@ struct overlay_info { OVERLAY_INFO(overlay_bad_add_dup_prop, -EINVAL), OVERLAY_INFO(overlay_bad_phandle, -EINVAL), OVERLAY_INFO(overlay_bad_symbol, -EINVAL), - {} + /* end marker */ + {.dtb_begin = NULL, .dtb_end = NULL, .expected_result = 0, .name = NULL} }; static struct device_node *overlay_base_root;
@@ -2231,6 +2232,19 @@ void __init unittest_unflatten_overlay_base(void) u32 data_size; void *new_fdt; u32 size; + int found = 0; + const char *overlay_name = "overlay_base"; + + for (info = overlays; info && info->name; info++) { + if (!strcmp(overlay_name, info->name)) { + found = 1; + break; + } + } + if (!found) { + pr_err("no overlay data for %s\n", overlay_name); + return; + } info = &overlays[0];
@@ -2278,11 +2292,10 @@ static int __init overlay_data_apply(const char *overlay_name, int *overlay_id) { struct overlay_info *info; int found = 0; - int k; int ret; u32 size; - for (k = 0, info = overlays; info && info->name; info++, k++) { + for (info = overlays; info && info->name; info++) { if (!strcmp(overlay_name, info->name)) { found = 1; break;
--
Frank Rowand <frank.rowand@sony.com>