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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-06-20 22:08:32 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-20 22:08:32 +0200 |
| commit | b50fb7c99217922ea36d6e38bae34d84c0587cad (patch) | |
| tree | 5f46167ac7fe5cd87bbed8ca8644f32befc5bbae /fs/btrfs/hash.c | |
| parent | 04c848d398797a626608ff48804d809ae6687163 (diff) | |
| parent | 41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff) | |
Merge branch 'linus' into irq/core
Get upstream changes so pending patches won't conflict.
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; } |