diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-20 10:16:07 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-20 10:16:07 +0800 |
| commit | 571949a40a9c00fdaa3d0256cf43c9e0c25ff2d1 (patch) | |
| tree | 7edcc302961329a7a3c4d2942f6c2300b4765345 /fs/btrfs/hash.c | |
| parent | 21bdb3b071a7c6f34999545092bf15480ab95f49 (diff) | |
| parent | 41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff) | |
Merge 4.12-rc6 into usb-next
We want the USB fixes in here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/hash.c')
| -rw-r--r-- | fs/btrfs/hash.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/hash.c b/fs/btrfs/hash.c index a97fdc156a03..baacc1866861 100644 --- a/fs/btrfs/hash.c +++ b/fs/btrfs/hash.c @@ -38,6 +38,7 @@ u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length) { SHASH_DESC_ON_STACK(shash, tfm); u32 *ctx = (u32 *)shash_desc_ctx(shash); + u32 retval; int err; shash->tfm = tfm; @@ -47,5 +48,7 @@ u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length) err = crypto_shash_update(shash, address, length); BUG_ON(err); - return *ctx; + retval = *ctx; + barrier_data(ctx); + return retval; } |