From 5b7da937cd298abd6f8f0eecfede2810b157179f Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Wed, 18 Jul 2012 17:25:49 +0800 Subject: grub: fix error stating the root device grub-mkconfig (and possibly other commands) complains: error: cannot stat /dev/root Backport an upstream patch to fix the error. [YOCTO #2777] Signed-off-by: Jesse Zhang Signed-off-by: Richard Purdie --- .../grub/grub-1.99/grub-1.99-lazy_stat.patch | 64 ++++++++++++++++++++++ meta/recipes-bsp/grub/grub_1.99.bb | 3 +- 2 files changed, 66 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-bsp/grub/grub-1.99/grub-1.99-lazy_stat.patch (limited to 'meta/recipes-bsp') diff --git a/meta/recipes-bsp/grub/grub-1.99/grub-1.99-lazy_stat.patch b/meta/recipes-bsp/grub/grub-1.99/grub-1.99-lazy_stat.patch new file mode 100644 index 0000000000..cde8b87a47 --- /dev/null +++ b/meta/recipes-bsp/grub/grub-1.99/grub-1.99-lazy_stat.patch @@ -0,0 +1,64 @@ +Upstream-Status: Backport + +Patch is a slightly edited version from debian. Upstream link is: +http://bzr.savannah.gnu.org/lh/grub/trunk/grub/revision/3318 + +Description: Don't stat devices unless we have to +Author: Vladimir Serbinenko +Author: Colin Watson +Bug-Debian: http://bugs.debian.org/627587 +Forwarded: yes +Applied-Upstream: http://bazaar.launchpad.net/~vcs-imports/grub/grub2-bzr/revision/3318 +Last-Update: 2011-05-31 + +Index: b/grub-core/kern/emu/getroot.c +=================================================================== +--- a/grub-core/kern/emu/getroot.c ++++ b/grub-core/kern/emu/getroot.c +@@ -358,7 +358,7 @@ + + if (S_ISLNK (st.st_mode)) { + #ifdef __linux__ +- if (strcmp (dir, "mapper") == 0) { ++ if (strcmp (dir, "mapper") == 0 || strcmp (dir, "/dev/mapper") == 0) { + /* Follow symbolic links under /dev/mapper/; the canonical name + may be something like /dev/dm-0, but the names under + /dev/mapper/ are more human-readable and so we prefer them if +@@ -609,20 +609,27 @@ + + if (os_dev) + { +- if (stat (os_dev, &st) >= 0) +- dev = st.st_rdev; +- else +- grub_util_error ("cannot stat `%s'", os_dev); +- free (os_dev); ++ char *tmp = os_dev; ++ os_dev = canonicalize_file_name (os_dev); ++ free (tmp); + } +- else ++ ++ if (os_dev) + { +- if (stat (dir, &st) >= 0) +- dev = st.st_dev; +- else +- grub_util_error ("cannot stat `%s'", dir); ++ if (strncmp (os_dev, "/dev/dm-", sizeof ("/dev/dm-") - 1) != 0) ++ return os_dev; ++ if (stat (os_dev, &st) < 0) ++ grub_util_error ("cannot stat `%s'", os_dev); ++ free (os_dev); ++ dev = st.st_rdev; ++ return grub_find_device ("/dev/mapper", dev); + } + ++ if (stat (dir, &st) < 0) ++ grub_util_error ("cannot stat `%s'", dir); ++ ++ dev = st.st_dev; ++ + #ifdef __CYGWIN__ + /* Cygwin specific function. */ + os_dev = grub_find_device (dir, dev); diff --git a/meta/recipes-bsp/grub/grub_1.99.bb b/meta/recipes-bsp/grub/grub_1.99.bb index 1009ce899f..f1ed7ca6a5 100644 --- a/meta/recipes-bsp/grub/grub_1.99.bb +++ b/meta/recipes-bsp/grub/grub_1.99.bb @@ -13,7 +13,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504" DEPENDS = "autogen-native" RDEPENDS_${PN} = "diffutils freetype" -PR = "r10" +PR = "r11" SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \ file://grub-install.in.patch \ @@ -24,6 +24,7 @@ SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \ file://grub-1.99-gcc-4.7.0-strict-aliasing-errors.patch \ file://grub-1.99-fix-enable_execute_stack-check.patch \ file://remove-gets.patch \ + file://grub-1.99-lazy_stat.patch \ file://40_custom" SRC_URI[md5sum] = "ca9f2a2d571b57fc5c53212d1d22e2b5" -- cgit 1.2.3-korg