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| author | Thomas Kühnel <thomas.kuehnel@avm.de> | 2021-12-07 13:24:55 +0300 |
|---|---|---|
| committer | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2022-11-14 19:50:41 +0300 |
| commit | 095d8ce635c116bb7813d865adfbccde8094d920 (patch) | |
| tree | 3cb9cd59c7bf871084e2bd2fd9fd5d56e62f5621 /fs/ntfs3/bitmap.c | |
| parent | 88a8d0d2482f60596eec875ba5ba62901d8274ff (diff) | |
| download | linux-095d8ce635c116bb7813d865adfbccde8094d920.tar.xz | |
fs/ntfs3: Use _le variants of bitops functions
The functions from bitops.h already have _le variants so use them to
prevent invalid reads/writes of the bitmap on big endian systems.
Signed-off-by: Thomas Kühnel <thomas.kuehnel@avm.de>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Diffstat (limited to 'fs/ntfs3/bitmap.c')
| -rw-r--r-- | fs/ntfs3/bitmap.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c index c114983b248e..dcb786b300f1 100644 --- a/fs/ntfs3/bitmap.c +++ b/fs/ntfs3/bitmap.c @@ -66,7 +66,7 @@ static size_t wnd_scan(const ulong *buf, size_t wbit, u32 wpos, u32 wend, while (wpos < wend) { size_t free_len; u32 free_bits, end; - u32 used = find_next_zero_bit(buf, wend, wpos); + u32 used = find_next_zero_bit_le(buf, wend, wpos); if (used >= wend) { if (*b_len < *prev_tail) { @@ -92,7 +92,7 @@ static size_t wnd_scan(const ulong *buf, size_t wbit, u32 wpos, u32 wend, * Now we have a fragment [wpos, wend) staring with 0. */ end = wpos + to_alloc - *prev_tail; - free_bits = find_next_bit(buf, min(end, wend), wpos); + free_bits = find_next_bit_le(buf, min(end, wend), wpos); free_len = *prev_tail + free_bits - wpos; @@ -574,7 +574,7 @@ static int wnd_rescan(struct wnd_bitmap *wnd) wbits = wnd->nbits - wbit; do { - used = find_next_zero_bit(buf, wbits, wpos); + used = find_next_zero_bit_le(buf, wbits, wpos); if (used > wpos && prev_tail) { wnd_add_free_ext(wnd, wbit + wpos - prev_tail, @@ -590,7 +590,7 @@ static int wnd_rescan(struct wnd_bitmap *wnd) break; } - frb = find_next_bit(buf, wbits, wpos); + frb = find_next_bit_le(buf, wbits, wpos); if (frb >= wbits) { /* Keep last free block. */ prev_tail += frb - wpos; @@ -1449,7 +1449,7 @@ int ntfs_trim_fs(struct ntfs_sb_info *sbi, struct fstrim_range *range) buf = (ulong *)bh->b_data; for (; wbit < wbits; wbit++) { - if (!test_bit(wbit, buf)) { + if (!test_bit_le(wbit, buf)) { if (!len) lcn = lcn_wnd + wbit; len += 1; |