diff options
| author | Mickaël Salaün <mic@digikod.net> | 2015-12-22 20:44:01 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-12-22 23:31:51 (GMT) |
| commit | de3793796f78e293cc0873744a75588c99ed2fdd (patch) | |
| tree | bbe8da5a22bfa90702819817de80ac8548d62bb7 | |
| parent | 4ef7675344d687a0ef5b0d7c0cee12da005870c0 (diff) | |
| download | linux-de3793796f78e293cc0873744a75588c99ed2fdd.tar.xz | |
um: Fix pointer cast
Fix a pointer cast typo introduced in v4.4-rc5 especially visible for
the i386 subarchitecture where it results in a kernel crash.
[ Also removed pointless cast as per Al Viro - Linus ]
Fixes: 8090bfd2bb9a ("um: Fix fpstate handling")
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Jeff Dike <jdike@addtoit.com>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/x86/um/signal.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c index e5f854c..14fcd01 100644 --- a/arch/x86/um/signal.c +++ b/arch/x86/um/signal.c @@ -470,7 +470,7 @@ long sys_sigreturn(void) struct sigcontext __user *sc = &frame->sc; int sig_size = (_NSIG_WORDS - 1) * sizeof(unsigned long); - if (copy_from_user(&set.sig[0], (void *)sc->oldmask, sizeof(set.sig[0])) || + if (copy_from_user(&set.sig[0], &sc->oldmask, sizeof(set.sig[0])) || copy_from_user(&set.sig[1], frame->extramask, sig_size)) goto segfault; |