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UPSTREAM: f2fs: avoid hungtask problem caused by losing wake_up
[firefly-linux-kernel-4.4.55.git]
/
fs
/
f2fs
/
crypto_policy.c
diff --git
a/fs/f2fs/crypto_policy.c
b/fs/f2fs/crypto_policy.c
index d4a96af513c22f28ea1242496286d4ff1a606567..e504f548b64e3045177ae884b3352ac34bd7466e 100644
(file)
--- a/
fs/f2fs/crypto_policy.c
+++ b/
fs/f2fs/crypto_policy.c
@@
-89,6
+89,9
@@
static int f2fs_create_encryption_context_from_policy(
int f2fs_process_policy(const struct f2fs_encryption_policy *policy,
struct inode *inode)
{
+ if (!inode_owner_or_capable(inode))
+ return -EACCES;
+
if (policy->version != 0)
return -EINVAL;