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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /arch/powerpc/kernel/rtas.c | |
parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'arch/powerpc/kernel/rtas.c')
-rw-r--r-- | arch/powerpc/kernel/rtas.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 84bf934cf7487..5a753fae8265a 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -1043,6 +1043,9 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs) if (!capable(CAP_SYS_ADMIN)) return -EPERM; + if (!rtas.entry) + return -EINVAL; + if (copy_from_user(&args, uargs, 3 * sizeof(u32)) != 0) return -EFAULT; |