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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-12-10 00:45:28 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-02-06 23:20:58 +0100 |
| commit | fb469840b8c34b2f95b40a64b271f245cc1075b7 (patch) | |
| tree | 8013f8beb39c83b80be0e40195005b0482cea69b /crypto/hash.c | |
| parent | Linux 2.6.20 (diff) | |
| download | linux-fb469840b8c34b2f95b40a64b271f245cc1075b7.tar.xz linux-fb469840b8c34b2f95b40a64b271f245cc1075b7.zip | |
[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/hash.c')
0 files changed, 0 insertions, 0 deletions