[OE-core] [PATCH] mdadm: fix CFLAGS invalid issue
wenzong fan
wenzong.fan at windriver.com
Wed Oct 14 02:27:05 UTC 2015
Ping ...
Thanks
Wenzong
On 09/11/2015 01:51 PM, wenzong.fan at windriver.com wrote:
> From: Wenzong Fan <wenzong.fan at windriver.com>
>
> * Pass global CFLAGS to build:
>
> The CFLAGS does not pass to build at all since it was redefined by
> mdadm Makefile:
>
> CFLAGS = $(CWFLAGS) $(CXFLAGS) ...
>
> This could be done by setting 'CXFLAGS="${CFLAGS}"'.
>
> * Also fix ptest build error caused by global CFLAGS:
>
> raid6check.c: In function 'check_stripes':
> raid6check.c:315:8: error: 'stripe_buf' may be used uninitialized \
> in this function [-Werror=maybe-uninitialized]
>
> Signed-off-by: Wenzong Fan <wenzong.fan at windriver.com>
> ---
> .../mdadm/files/mdadm-fix-ptest-build-error.patch | 34 ++++++++++++++++++++++
> meta/recipes-extended/mdadm/mdadm_3.3.4.bb | 3 +-
> 2 files changed, 36 insertions(+), 1 deletion(-)
> create mode 100644 meta/recipes-extended/mdadm/files/mdadm-fix-ptest-build-error.patch
>
> diff --git a/meta/recipes-extended/mdadm/files/mdadm-fix-ptest-build-error.patch b/meta/recipes-extended/mdadm/files/mdadm-fix-ptest-build-error.patch
> new file mode 100644
> index 0000000..b2495c0
> --- /dev/null
> +++ b/meta/recipes-extended/mdadm/files/mdadm-fix-ptest-build-error.patch
> @@ -0,0 +1,34 @@
> +From d062030a36faa77193ac66b498a1ec704013dbb1 Mon Sep 17 00:00:00 2001
> +From: Wenzong Fan <wenzong.fan at windriver.com>
> +Date: Thu, 10 Sep 2015 03:52:20 -0400
> +Subject: [PATCH] mdadm: fix ptest build error
> +
> +Initialize *stripe_buf as NULL to fix ptest build error:
> +
> + raid6check.c: In function 'check_stripes':
> + raid6check.c:315:8: error: 'stripe_buf' may be used uninitialized \
> + in this function [-Werror=maybe-uninitialized]
> +
> +Upstream-Status: Pending
> +
> +Signed-off-by: Wenzong Fan <wenzong.fan at windriver.com>
> +---
> + raid6check.c | 2 +-
> + 1 file changed, 1 insertion(+), 1 deletion(-)
> +
> +diff --git a/raid6check.c b/raid6check.c
> +index cb8522e..e4a9ff0 100644
> +--- a/raid6check.c
> ++++ b/raid6check.c
> +@@ -312,7 +312,7 @@ int check_stripes(struct mdinfo *info, int *source, unsigned long long *offsets,
> + /* read the data and p and q blocks, and check we got them right */
> + int data_disks = raid_disks - 2;
> + int syndrome_disks = data_disks + is_ddf(layout) * 2;
> +- char *stripe_buf;
> ++ char *stripe_buf = NULL;
> +
> + /* stripes[] is indexed by raid_disk and holds chunks from each device */
> + char **stripes = xmalloc(raid_disks * sizeof(char*));
> +--
> +1.9.1
> +
> diff --git a/meta/recipes-extended/mdadm/mdadm_3.3.4.bb b/meta/recipes-extended/mdadm/mdadm_3.3.4.bb
> index 460a430..a8b4ee1 100644
> --- a/meta/recipes-extended/mdadm/mdadm_3.3.4.bb
> +++ b/meta/recipes-extended/mdadm/mdadm_3.3.4.bb
> @@ -12,6 +12,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/raid/mdadm/${BPN}-${PV}.tar.xz \
> file://mdadm-3.2.2_fix_for_x32.patch \
> file://gcc-4.9.patch \
> file://mdadm-3.3.2_x32_abi_time_t.patch \
> + file://mdadm-fix-ptest-build-error.patch \
> file://run-ptest \
> "
> SRC_URI[md5sum] = "7ca8b114710f98f53f20c5787b674a09"
> @@ -21,7 +22,7 @@ CFLAGS += "-fno-strict-aliasing"
>
> inherit autotools-brokensep
>
> -EXTRA_OEMAKE = "CHECK_RUN_DIR=0"
> +EXTRA_OEMAKE = 'CHECK_RUN_DIR=0 CXFLAGS="${CFLAGS}"'
> # PPC64 and MIPS64 uses long long for u64 in the kernel, but powerpc's asm/types.h
> # prevents 64-bit userland from seeing this definition, instead defaulting
> # to u64 == long in userspace. Define __SANE_USERSPACE_TYPES__ to get
>
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