diff options
Diffstat (limited to 'drivers/staging/erofs/unzip_vle_lz4.c')
| -rw-r--r-- | drivers/staging/erofs/unzip_vle_lz4.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/staging/erofs/unzip_vle_lz4.c b/drivers/staging/erofs/unzip_vle_lz4.c index 52797bd89da1..48b263a2731a 100644 --- a/drivers/staging/erofs/unzip_vle_lz4.c +++ b/drivers/staging/erofs/unzip_vle_lz4.c @@ -13,7 +13,7 @@ #include "unzip_vle.h" #include <linux/lz4.h> -int z_erofs_unzip_lz4(void *in, void *out, size_t inlen, size_t outlen) +static int z_erofs_unzip_lz4(void *in, void *out, size_t inlen, size_t outlen) { int ret = LZ4_decompress_safe_partial(in, out, inlen, outlen, outlen); @@ -125,8 +125,7 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, unsigned int clusterpages, struct page **pages, unsigned int outlen, - unsigned short pageofs, - void (*endio)(struct page *)) + unsigned short pageofs) { void *vin, *vout; unsigned int nr_pages, i, j; @@ -148,19 +147,16 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, ret = z_erofs_unzip_lz4(vin, vout + pageofs, clusterpages * PAGE_SIZE, outlen); - if (ret >= 0) { - outlen = ret; - ret = 0; - } + if (ret < 0) + goto out; + ret = 0; for (i = 0; i < nr_pages; ++i) { j = min((unsigned int)PAGE_SIZE - pageofs, outlen); if (pages[i]) { - if (ret < 0) { - SetPageError(pages[i]); - } else if (clusterpages == 1 && - pages[i] == compressed_pages[0]) { + if (clusterpages == 1 && + pages[i] == compressed_pages[0]) { memcpy(vin + pageofs, vout + pageofs, j); } else { void *dst = kmap_atomic(pages[i]); @@ -168,12 +164,13 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, memcpy(dst + pageofs, vout + pageofs, j); kunmap_atomic(dst); } - endio(pages[i]); } vout += PAGE_SIZE; outlen -= j; pageofs = 0; } + +out: preempt_enable(); if (clusterpages == 1) |