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| author |  Arnd Bergmann <arnd@arndb.de>
| 2019-03-14 10:09:44 +0100 |
|---|---|---|
| committer |  Herbert Xu <herbert@gondor.apana.org.au>
| 2019-03-22 20:57:28 +0800 |
| commit | 5db46ac29a6797541943d3c4081821747e342732 (patch) | |
| tree | 2b1797b0ef2ca270732433aeee9451b90db39e16 /crypto/chacha_generic.c | |
| parent | crypto: testmgr - test the !may_use_simd() fallback code (diff) | |
| download | linux-5db46ac29a6797541943d3c4081821747e342732.tar.gz linux-5db46ac29a6797541943d3c4081821747e342732.tar.bz2 linux-5db46ac29a6797541943d3c4081821747e342732.zip | |
crypto: ccree - reduce kernel stack usage with clang
Building with clang for a 32-bit architecture runs over the stack
frame limit in the setkey function:
drivers/crypto/ccree/cc_cipher.c:318:12: error: stack frame size of 1152 bytes in function 'cc_cipher_setkey' [-Werror,-Wframe-larger-than=]
The problem is that there are two large variables: the temporary
'tmp' array and the SHASH_DESC_ON_STACK() declaration. Moving
the first into the block in which it is used reduces the
total frame size to 768 bytes, which seems more reasonable
and is under the warning limit.
Fixes: 63ee04c8b491 ("crypto: ccree - add skcipher support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-By: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/chacha_generic.c')
0 files changed, 0 insertions, 0 deletions