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| author | Stefan Agner <stefan.agner@toradex.com> | 2016-06-29 17:36:47 -0700 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2016-06-29 17:36:47 -0700 |
| commit | efe965a5dad66bd14219cdc9474ea75eda783456 (patch) | |
| tree | c88aa38447747bee19da6e4097334cd4c98b426f /arch/sparc/kernel/sigutil_32.c | |
| parent | 475764ae387355462c874892b03110298038adef (diff) | |
| parent | 9ca1d50fa959cda1f04f43275f7930a70f1a631e (diff) | |
Merge tag 'v4.4.14' into toradex_vf_4.4-nextColibri_VF_LinuxImageV2.6Beta2_20160701
This is the 4.4.14 stable release
Diffstat (limited to 'arch/sparc/kernel/sigutil_32.c')
| -rw-r--r-- | arch/sparc/kernel/sigutil_32.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c index 0f6eebe71e6c..e5fe8cef9a69 100644 --- a/arch/sparc/kernel/sigutil_32.c +++ b/arch/sparc/kernel/sigutil_32.c @@ -48,6 +48,10 @@ int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) { int err; + + if (((unsigned long) fpu) & 3) + return -EFAULT; + #ifdef CONFIG_SMP if (test_tsk_thread_flag(current, TIF_USEDFPU)) regs->psr &= ~PSR_EF; @@ -97,7 +101,10 @@ 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) & 3) + return -EFAULT; + + get_user(wsaved, &rp->wsaved); if (wsaved > NSWINS) return -EFAULT; |