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| author | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
| commit | fe4c808f845e2ff3a3fb6c66009ab69c8d01bf57 (patch) | |
| tree | 82ce8b6476c1c4c84ab05a49c94317f1ce8ac1b7 /arch/sparc/kernel/sigutil_64.c | |
| parent | bbe8f0ee88a1eb4bb1e72e593b008faf387f30ac (diff) | |
| parent | 0ac0a856d986c1ab240753479f5e50fdfab82b14 (diff) | |
Merge tag 'v3.18.37' into linux-linaro-lsk-v3.18lsk-v3.18-16.07
This is the 3.18.37 stable release
Diffstat (limited to 'arch/sparc/kernel/sigutil_64.c')
| -rw-r--r-- | arch/sparc/kernel/sigutil_64.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c index 387834a9c56a..36aadcbeac69 100644 --- a/arch/sparc/kernel/sigutil_64.c +++ b/arch/sparc/kernel/sigutil_64.c @@ -37,7 +37,10 @@ int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) unsigned long fprs; int err; - err = __get_user(fprs, &fpu->si_fprs); + if (((unsigned long) fpu) & 7) + return -EFAULT; + + err = get_user(fprs, &fpu->si_fprs); fprs_write(0); regs->tstate &= ~TSTATE_PEF; if (fprs & FPRS_DL) @@ -72,7 +75,10 @@ int restore_rwin_state(__siginfo_rwin_t __user *rp) struct thread_info *t = current_thread_info(); int i, wsaved, err; - __get_user(wsaved, &rp->wsaved); + if (((unsigned long) rp) & 7) + return -EFAULT; + + get_user(wsaved, &rp->wsaved); if (wsaved > NSWINS) return -EFAULT; |