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disk: efi: correct the allocation size for mbr header in stack

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use ALLOC_CACHE_ALIGN_BUFFER_PAD for mbr header allocation
in stack to fix alloc issue in is_gpt_valid()

this patch fix also issue for GPT partition handling
with blocksize != 512 in set_protective_mbr()

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
master
Patrick Delaunay 7 years ago committed by Tom Rini
parent aaa4ba930c
commit 3cc566117e
1 changed files with 2 additions and 2 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      disk/part_efi.c

4
disk/part_efi.c
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@ -350,7 +350,7 @@ static int part_test_efi(struct blk_desc *dev_desc)
static int set_protective_mbr(struct blk_desc *dev_desc)
{
/* Setup the Protective MBR */
ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, p_mbr, 1);
ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, p_mbr, 1, dev_desc->blksz);
memset(p_mbr, 0, sizeof(*p_mbr));
if (p_mbr == NULL) {
@ -931,7 +931,7 @@ static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba,
return 0;
}
ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, mbr, dev_desc->blksz);
ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, mbr, 1, dev_desc->blksz);
/* Read MBR Header from device */
if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1) {

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