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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-08-18 17:19:20 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-04 01:01:12 +1100 |
| commit | 454b1abb588b3942655638a8bcf1ea4501260579 (patch) | |
| tree | 0cbc63ab7f68f57e327be1d5cae47869c2b307b1 /arch/powerpc/kernel/signal_64.c | |
| parent | 3fcfb5d1bf731bdbd847c29df57a5372d8ea58d3 (diff) | |
| download | lwn-454b1abb588b3942655638a8bcf1ea4501260579.tar.gz lwn-454b1abb588b3942655638a8bcf1ea4501260579.zip | |
powerpc/signal: Move access_ok() out of get_sigframe()
This access_ok() will soon be performed by user_access_begin().
So move it out of get_sigframe().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/900b93744732ed0887f28f5b6a40730fb04a43fa.1597770847.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/signal_64.c')
| -rw-r--r-- | arch/powerpc/kernel/signal_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index cae612bdde5f..d3db78732070 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -823,7 +823,7 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, #endif frame = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*frame), 0); - if (unlikely(frame == NULL)) + if (!access_ok(frame, sizeof(*frame))) goto badframe; err |= __put_user(&frame->info, &frame->pinfo); |