diff options
Diffstat (limited to 'arch/frv/kernel/ptrace.c')
| -rw-r--r-- | arch/frv/kernel/ptrace.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index 709e9bdc6126..5e7d401d21e7 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c | |||
| @@ -69,7 +69,8 @@ static inline int put_reg(struct task_struct *task, int regno, | |||
| 69 | } | 69 | } |
| 70 | 70 | ||
| 71 | /* | 71 | /* |
| 72 | * check that an address falls within the bounds of the target process's memory mappings | 72 | * check that an address falls within the bounds of the target process's memory |
| 73 | * mappings | ||
| 73 | */ | 74 | */ |
| 74 | static inline int is_user_addr_valid(struct task_struct *child, | 75 | static inline int is_user_addr_valid(struct task_struct *child, |
| 75 | unsigned long start, unsigned long len) | 76 | unsigned long start, unsigned long len) |
| @@ -79,11 +80,11 @@ static inline int is_user_addr_valid(struct task_struct *child, | |||
| 79 | return -EIO; | 80 | return -EIO; |
| 80 | return 0; | 81 | return 0; |
| 81 | #else | 82 | #else |
| 82 | struct vm_list_struct *vml; | 83 | struct vm_area_struct *vma; |
| 83 | 84 | ||
| 84 | for (vml = child->mm->context.vmlist; vml; vml = vml->next) | 85 | vma = find_vma(child->mm, start); |
| 85 | if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end) | 86 | if (vma && start >= vma->vm_start && start + len <= vma->vm_end) |
| 86 | return 0; | 87 | return 0; |
| 87 | 88 | ||
| 88 | return -EIO; | 89 | return -EIO; |
| 89 | #endif | 90 | #endif |