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Date: Fri, 8 May 2015 21:20:52 -0700 From: Jaegeuk Kim <jaegeuk@...nel.org> To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net Cc: Jaegeuk Kim <jaegeuk@...nel.org> Subject: [PATCH 17/18] f2fs crypto: fix missing key when reading a page 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@...nel.org> --- fs/f2fs/crypto.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/crypto.c b/fs/f2fs/crypto.c index 38c005c..509d19a 100644 --- a/fs/f2fs/crypto.c +++ b/fs/f2fs/crypto.c @@ -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 -- 2.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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