ext4: handle decryption error in __ext4_block_zero_page_range()

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fscrypt_decrypt_pagecache_blocks() can fail, because it uses
skcipher_request_alloc(), which uses kmalloc(), which can fail; and also
because it calls crypto_skcipher_decrypt(), which can fail depending on
the driver that actually implements the crypto.

Therefore it's not appropriate to WARN on decryption error in
__ext4_block_zero_page_range().

Remove the WARN and just handle the error instead.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20191226154105.4704-1-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

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Eric Biggers 2019-12-26 09:41:05 -06:00 • committed by Theodore Ts'o

parent 2fdff4c843

commit 834f1565fa

1 changed files with 6 additions and 2 deletions

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fs/ext4/inode.c

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