From mboxrd@z Thu Jan 1 00:00:00 1970 From: frowand.list@gmail.com Subject: [PATCH 16/16] of: unittest: find overlays[] entry by name instead of index Date: Thu, 4 Oct 2018 21:12:47 -0700 Message-ID: <1538712767-30394-17-git-send-email-frowand.list@gmail.com> References: <1538712767-30394-1-git-send-email-frowand.list@gmail.com> Return-path: In-Reply-To: <1538712767-30394-1-git-send-email-frowand.list@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Pantelis Antoniou , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Alan Tull , Moritz Fischer Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-fpga@vger.kernel.org List-Id: devicetree@vger.kernel.org From: Frank Rowand 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 --- 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 b61a33f30a56..4d4ba4ddba9b 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -2152,7 +2152,7 @@ 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), @@ -2175,7 +2175,8 @@ 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; @@ -2205,6 +2206,19 @@ 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]; @@ -2252,11 +2266,10 @@ 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