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um: missing checks of __put_user()/__get_user() return values

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro
2012-04-22 16:34:27 -04:00
parent 0088b6ec8f
commit ffc51be82b
2 changed files with 8 additions and 8 deletions
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4
arch/x86/um/signal.c
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@@ -544,8 +544,8 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
set->sig[0]);
err |= __put_user(&frame->fpstate, &frame->uc.uc_mcontext.fpstate);
if (sizeof(*set) == 16) {
__put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]);
__put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]);
err |= __put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]);
err |= __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]);
}
else
err |= __copy_to_user(&frame->uc.uc_sigmask, set,