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mn10300: check __get_user/__put_user results...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -65,10 +65,10 @@ asmlinkage long sys_sigaction(int sig,
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old_sigset_t mask;
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if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
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__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
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__get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
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__get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
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__get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
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__get_user(mask, &act->sa_mask))
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return -EFAULT;
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__get_user(new_ka.sa.sa_flags, &act->sa_flags);
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__get_user(mask, &act->sa_mask);
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siginitset(&new_ka.sa.sa_mask, mask);
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}
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@ -77,10 +77,10 @@ asmlinkage long sys_sigaction(int sig,
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if (!ret && oact) {
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if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
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__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
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__put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
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__put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
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__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
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__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
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return -EFAULT;
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__put_user(old_ka.sa.sa_flags, &oact->sa_flags);
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__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
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}
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return ret;
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