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| author | David Sterba <dsterba@suse.com> | 2017-02-14 20:03:49 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-02-28 16:26:07 +0300 |
| commit | 9ed573674ae607bc616c804657bfaf5b6ea5889d (patch) | |
| tree | ba1978abe3ea592908192ef6570d655165cb002e /fs/btrfs/disk-io.c | |
| parent | da353f6b30bc02da29b54f5f024039698fbd23f4 (diff) | |
| download | linux-9ed573674ae607bc616c804657bfaf5b6ea5889d.tar.xz | |
btrfs: constify input buffer of btrfs_csum_data
The function does not modify the input buffer, also update a typecast in
one caller.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index a53ff3bff8eb..67d663ab658a 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -265,7 +265,7 @@ out: return em; } -u32 btrfs_csum_data(char *data, u32 seed, size_t len) +u32 btrfs_csum_data(const char *data, u32 seed, size_t len) { return btrfs_crc32c(seed, data, len); } @@ -3448,7 +3448,7 @@ static int write_dev_supers(struct btrfs_device *device, btrfs_set_super_bytenr(sb, bytenr); crc = ~(u32)0; - crc = btrfs_csum_data((char *)sb + + crc = btrfs_csum_data((const char *)sb + BTRFS_CSUM_SIZE, crc, BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE); |