From patchwork Fri May 22 16:41:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcus Comstedt X-Patchwork-Id: 246317 List-Id: U-Boot discussion From: marcus at mc.pp.se (Marcus Comstedt) Date: Fri, 22 May 2020 18:41:36 +0200 Subject: [PATCH] libfdt: Remove superfluous NUL character from overlay symbols Message-ID: <20200522164136.26069-1-marcus@mc.pp.se> The symbol path already ends with a NUL character (something which is actually checked by the code) and this NUL is included in rel_path_len, so there is no need to add a second one. This change fixes incorrect display in "fdt list /__symbols" after applying an overlay with symbols. Signed-off-by: Marcus Comstedt Reviewed-by: Simon Glass --- scripts/dtc/libfdt/fdt_overlay.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/scripts/dtc/libfdt/fdt_overlay.c b/scripts/dtc/libfdt/fdt_overlay.c index c090e6991e..bd75e3dd78 100644 --- a/scripts/dtc/libfdt/fdt_overlay.c +++ b/scripts/dtc/libfdt/fdt_overlay.c @@ -757,7 +757,7 @@ static int overlay_symbol_update(void *fdt, void *fdto) && (memcmp(s, "/__overlay__", len - 1) == 0)) { /* //__overlay__ */ rel_path = ""; - rel_path_len = 0; + rel_path_len = 1; /* Include NUL character */ } else { /* Symbol refers to something that won't end * up in the target tree */ @@ -794,7 +794,7 @@ static int overlay_symbol_update(void *fdt, void *fdto) } ret = fdt_setprop_placeholder(fdt, root_sym, name, - len + (len > 1) + rel_path_len + 1, &p); + len + (len > 1) + rel_path_len, &p); if (ret < 0) return ret; @@ -820,7 +820,6 @@ static int overlay_symbol_update(void *fdt, void *fdto) buf[len] = '/'; memcpy(buf + len + 1, rel_path, rel_path_len); - buf[len + 1 + rel_path_len] = '\0'; } return 0;