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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-08-18 19:19:20 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-03 15:01:12 +0100 |
| commit | 454b1abb588b3942655638a8bcf1ea4501260579 (patch) | |
| tree | 0cbc63ab7f68f57e327be1d5cae47869c2b307b1 /arch/powerpc/kernel/signal.c | |
| parent | powerpc/signal: Remove BUG_ON() in handler_signal functions (diff) | |
| download | linux-454b1abb588b3942655638a8bcf1ea4501260579.tar.xz linux-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.c')
| -rw-r--r-- | arch/powerpc/kernel/signal.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index 7cc305aaf44e..37372fd5b600 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -154,10 +154,6 @@ void __user *get_sigframe(struct ksignal *ksig, unsigned long sp, oldsp = sigsp(oldsp, ksig); newsp = (oldsp - frame_size) & ~0xFUL; - /* Check access */ - if (!access_ok((void __user *)newsp, oldsp - newsp)) - return NULL; - return (void __user *)newsp; } |