Commit ff5d3a97 authored Mar 15, 2019 by Eric Biggers Committed by Theodore Ts'o Apr 16, 2019

fscrypt: remove WARN_ON_ONCE() when decryption fails



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>

parent cd0265fc

fs/crypto/bio.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -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);
		}