AcoSail/kernel_optimize_test
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f2fs crypto: fix missing key when reading a page

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1. mount $mnt
2. cp data $mnt/
3. umount $mnt
4. log out
5. log in
6. cat $mnt/data

-> panic, due to no i_crypt_info.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-05-05 20:20:29 -07:00
parent cbaf042a3c
commit edf3fb8e9e
1 changed files with 3 additions and 1 deletions
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4
fs/f2fs/crypto.c
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@ -131,7 +131,9 @@ struct f2fs_crypto_ctx *f2fs_get_crypto_ctx(struct inode *inode)
unsigned long flags;
struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info;
BUG_ON(ci == NULL);
if (ci == NULL)
return ERR_PTR(-EACCES);
/*
* We first try getting the ctx from a free list because in
* the common case the ctx will have an allocated and