From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Thu, 11 Jun 2015 21:23:05 +0000 (-0700)
Subject: f2fs crypto: fix to handle errors likewise ext4
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7e8e754a4b722216d18418b36c4b8976e7418f2b;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

f2fs crypto: fix to handle errors likewise ext4

This patch makes some error handling policies same with ext4.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/crypto.c b/fs/f2fs/crypto.c
index be6af181e0f2..75d62fff8960 100644
--- a/fs/f2fs/crypto.c
+++ b/fs/f2fs/crypto.c
@@ -112,7 +112,7 @@ struct f2fs_crypto_ctx *f2fs_get_crypto_ctx(struct inode *inode)
 	struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info;
 
 	if (ci == NULL)
-		return ERR_PTR(-EACCES);
+		return ERR_PTR(-ENOKEY);
 
 	/*
 	 * We first try getting the ctx from a free list because in
@@ -457,8 +457,8 @@ int f2fs_decrypt_one(struct inode *inode, struct page *page)
 	struct f2fs_crypto_ctx *ctx = f2fs_get_crypto_ctx(inode);
 	int ret;
 
-	if (!ctx)
-		return -ENOMEM;
+	if (IS_ERR(ctx))
+		return PTR_ERR(ctx);
 	ret = f2fs_decrypt(ctx, page);
 	f2fs_release_crypto_ctx(ctx);
 	return ret;