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| author | Peter Korsgaard <jacmet@sunsite.dk> | 2011-09-20 21:38:53 +0200 |
|---|---|---|
| committer | Peter Korsgaard <jacmet@sunsite.dk> | 2011-09-20 21:38:53 +0200 |
| commit | 8ca82530b837542a56a4aa728331d97639f6e533 (patch) | |
| tree | a030395ff94690ec644c81b623d945878bf8cb8f /toolchain/kernel-headers | |
| parent | dcb43a0eb0c09ffb84c6c7b4c169a2874cb24cc9 (diff) | |
| download | buildroot-novena-8ca82530b837542a56a4aa728331d97639f6e533.tar.gz buildroot-novena-8ca82530b837542a56a4aa728331d97639f6e533.zip | |
kernel-headers: fix 3.0 header exports for headers with __packed
Fixes E.G. mtd/ubi-user.h, which otherwise breaks busybox 1.9 builds
with ubi applets.
Upstream post 3.0 and discussed here: https://lkml.org/lkml/2011/6/22/25
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Diffstat (limited to 'toolchain/kernel-headers')
| -rw-r--r-- | toolchain/kernel-headers/linux-3.0.4-headers_install-fix-__packed-in-exported-kernel-head.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/toolchain/kernel-headers/linux-3.0.4-headers_install-fix-__packed-in-exported-kernel-head.patch b/toolchain/kernel-headers/linux-3.0.4-headers_install-fix-__packed-in-exported-kernel-head.patch new file mode 100644 index 000000000..8777b7163 --- /dev/null +++ b/toolchain/kernel-headers/linux-3.0.4-headers_install-fix-__packed-in-exported-kernel-head.patch @@ -0,0 +1,46 @@ +From f210735fe2f17a6225432ee3d1239bcf23a8659c Mon Sep 17 00:00:00 2001 +From: Markus Trippelsdorf <markus@trippelsdorf.de> +Date: Fri, 24 Jun 2011 15:51:00 +0200 +Subject: [PATCH] headers_install: fix __packed in exported kernel headers +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +checkpatch.pl warns about using __attribute__((packed)) in kernel +headers: "__packed is preferred over __attribute__((packed))". If one +follows that advice it could cause problems in the exported header +files, because the outside world doesn't know about this shortcut. + +For example busybox will fail to compile: + CC miscutils/ubi_attach_detach.o + In file included from miscutils/ubi_attach_detach.c:27:0: + /usr/include/mtd/ubi-user.h:330:3: error: conflicting types for ‘__packed’ + /usr/include/mtd/ubi-user.h:314:3: note: previous declaration of ‘__packed’ was here +... + +Fix the problem by substituting __packed with __attribute__((packed)) in +the header_install.pl script. + +Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> +CC: Joe Perches <joe@perches.com> +Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de> +Signed-off-by: Michal Marek <mmarek@suse.cz> +--- + scripts/headers_install.pl | 1 + + 1 files changed, 1 insertions(+), 0 deletions(-) + +diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl +index efb3be1..48462be 100644 +--- a/scripts/headers_install.pl ++++ b/scripts/headers_install.pl +@@ -35,6 +35,7 @@ foreach my $file (@files) { + $line =~ s/([\s(])__iomem\s/$1/g; + $line =~ s/\s__attribute_const__\s/ /g; + $line =~ s/\s__attribute_const__$//g; ++ $line =~ s/\b__packed\b/__attribute__((packed))/g; + $line =~ s/^#include <linux\/compiler.h>//; + $line =~ s/(^|\s)(inline)\b/$1__$2__/g; + $line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g; +-- +1.7.5.4 + |