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| author | Kees Cook <keescook@chromium.org> | 2018-08-03 10:15:25 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-03 09:48:12 -0700 |
| commit | 54424d3891967b83d707c9300a3509c2ae8f42ee (patch) | |
| tree | d6853305a88d1c9159a44eb44db11fed1e076eff /block/blk-exec.c | |
| parent | 5ca8a25c144dbb04511147601943691baab0aaca (diff) | |
| download | linux-54424d3891967b83d707c9300a3509c2ae8f42ee.tar.bz2 | |
rxrpc: Reuse SKCIPHER_REQUEST_ON_STACK buffer
The use of SKCIPHER_REQUEST_ON_STACK() will trigger FRAME_WARN warnings
(when less than 2048) once the VLA is no longer hidden from the check:
net/rxrpc/rxkad.c:398:1: warning: the frame size of 1152 bytes is larger than 1024 bytes [-Wframe-larger-than=]
net/rxrpc/rxkad.c:242:1: warning: the frame size of 1152 bytes is larger than 1024 bytes [-Wframe-larger-than=]
This passes the initial SKCIPHER_REQUEST_ON_STACK allocation to the leaf
functions for reuse. Two requests allocated on the stack is not needed
when only one is used at a time.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/blk-exec.c')
0 files changed, 0 insertions, 0 deletions