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crypto: api - Only abort operations on fatal signal

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Currently a number of Crypto API operations may fail when a signal
occurs.  This causes nasty problems as the caller of those operations
are often not in a good position to restart the operation.

In fact there is currently no need for those operations to be
interrupted by user signals at all.  All we need is for them to
be killable.

This patch replaces the relevant calls of signal_pending with
fatal_signal_pending, and wait_for_completion_interruptible with
wait_for_completion_killable, respectively.

Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-10-19 18:23:57 +08:00
parent 8996eafdcb
commit 3fc89adb9f
4 changed files with 6 additions and 6 deletions
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2
crypto/algapi.c
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@ -345,7 +345,7 @@ static void crypto_wait_for_test(struct crypto_larval *larval)
crypto_alg_tested(larval->alg.cra_driver_name, 0);
}
err = wait_for_completion_interruptible(&larval->completion);
err = wait_for_completion_killable(&larval->completion);
WARN_ON(err);
out: