tree 5ae19b435f0903e67834e10ddccec2be4cfa4ab6
parent a68f6610d4f1ebe61818f5926fa8fa9e75d06a95
author Sebastian Andrzej Siewior <sebastian@breakpoint.cc> 1246594181 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> 1246594181 +0800

crypto: ansi_prng - Use just a BH lock

The current code uses a mix of sping_lock() & spin_lock_irqsave(). This can
lead to deadlock with the correct timming & cprng_get_random() + cprng_reset()
sequence.
I've converted them to bottom half locks since all three user grab just a BH
lock so this runs probably in softirq :)

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>