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Merge pull request #253 from pabigot/pr/20190730a

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lfs: correct alignment restriction on lookahead buffer
This commit is contained in:
Christopher Haster
2019-08-08 18:50:15 -05:00
committed by GitHub
parent 151104c790 f85ff1d2f8
commit 9d1f1211a9
1 changed files with 2 additions and 2 deletions
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lfs.c
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@@ -3412,10 +3412,10 @@ static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) {
lfs_cache_zero(lfs, &lfs->rcache);
lfs_cache_zero(lfs, &lfs->pcache);
// setup lookahead, must be multiple of 64-bits
// setup lookahead, must be multiple of 64-bits, 32-bit aligned
LFS_ASSERT(lfs->cfg->lookahead_size > 0);
LFS_ASSERT(lfs->cfg->lookahead_size % 8 == 0 &&
(uintptr_t)lfs->cfg->lookahead_buffer % 8 == 0);
(uintptr_t)lfs->cfg->lookahead_buffer % 4 == 0);
if (lfs->cfg->lookahead_buffer) {
lfs->free.buffer = lfs->cfg->lookahead_buffer;
} else {