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authorHerbert Xu <herbert@gondor.apana.org.au>2006-12-10 10:45:28 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2007-02-07 09:20:58 +1100
commitfb469840b8c34b2f95b40a64b271f245cc1075b7 (patch)
tree8013f8beb39c83b80be0e40195005b0482cea69b /crypto/internal.h
parent62d0cfcb27cf755cebdc93ca95dabc83608007cd (diff)
[CRYPTO] all: Check for usage in hard IRQ context
Using blkcipher/hash crypto operations in hard IRQ context can lead to random memory corruption due to the reuse of kmap_atomic slots. Since crypto operations were never meant to be used in hard IRQ contexts, this patch checks for such usage and returns an error before kmap_atomic is performed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/internal.h')
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