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authorAl Viro <viro@zeniv.linux.org.uk>2017-04-03 01:06:59 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-04-03 01:06:59 -0400
commita8e28440016bfb23bec266c4c66eacca6ea2d48b (patch)
tree27d528294f7886c434c8072a034d211acc06d077 /arch/mips/kernel/ptrace.c
parent2b5efc089769cd2aa583880d29416d00e7441f39 (diff)
parent3209f68b3ca4667069923a325c88b21131bfdf9f (diff)
Merge branch 'work.statx' into for-next
Diffstat (limited to 'arch/mips/kernel/ptrace.c')
-rw-r--r--arch/mips/kernel/ptrace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 339601267265..6931fe722a0b 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -456,7 +456,8 @@ static int fpr_set(struct task_struct *target,
&target->thread.fpu,
0, sizeof(elf_fpregset_t));
- for (i = 0; i < NUM_FPU_REGS; i++) {
+ BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t));
+ for (i = 0; i < NUM_FPU_REGS && count >= sizeof(elf_fpreg_t); i++) {
err = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
&fpr_val, i * sizeof(elf_fpreg_t),
(i + 1) * sizeof(elf_fpreg_t));