[MIPS] signal: test return value of install_sigtramp()
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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36a1f2c24f
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601dde45f6
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@ -184,7 +184,7 @@ int install_sigtramp(unsigned int __user *tramp, unsigned int syscall)
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*/
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err = __put_user(0x24020000 + syscall, tramp + 0);
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err |= __put_user(0x0000000c , tramp + 1);
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err |= __put_user(0x0000000c , tramp + 1);
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if (ICACHE_REFILLS_WORKAROUND_WAR) {
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err |= __put_user(0, tramp + 2);
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err |= __put_user(0, tramp + 3);
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@ -400,7 +400,7 @@ int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
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if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
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goto give_sigsegv;
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install_sigtramp(frame->sf_code, __NR_sigreturn);
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err |= install_sigtramp(frame->sf_code, __NR_sigreturn);
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err |= setup_sigcontext(regs, &frame->sf_sc);
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err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set));
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@ -447,7 +447,7 @@ int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
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if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
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goto give_sigsegv;
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install_sigtramp(frame->rs_code, __NR_rt_sigreturn);
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err |= install_sigtramp(frame->rs_code, __NR_rt_sigreturn);
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/* Create siginfo. */
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err |= copy_siginfo_to_user(&frame->rs_info, info);
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