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fscrypt: remove WARN_ON_ONCE() when decryption fails

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If decrypting a block fails, fscrypt did a WARN_ON_ONCE().  But WARN is
meant for kernel bugs, which this isn't; this could be hit by fuzzers
using fault injection, for example.  Also, there is already a proper
warning message logged in fscrypt_do_page_crypto(), so the WARN doesn't
add much.

Just remove the unnessary WARN.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Eric Biggers 2019-03-15 14:16:32 -07:00 committed by Theodore Ts'o
parent cd0265fcd2
commit ff5d3a9707
1 changed files with 2 additions and 4 deletions
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6
fs/crypto/bio.c
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@ -37,12 +37,10 @@ static void __fscrypt_decrypt_bio(struct bio *bio, bool done)
int ret = fscrypt_decrypt_page(page->mapping->host, page,
PAGE_SIZE, 0, page->index);
if (ret) {
WARN_ON_ONCE(1);
if (ret)
SetPageError(page);
} else if (done) {
else if (done)
SetPageUptodate(page);
}
if (done)
unlock_page(page);
}