Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa...

[linux-2.6-omap-h63xx.git] / arch / blackfin / kernel / ptrace.c

diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index d2d3885366304ea38826c0c2897c0a4008184c20..d76618db50df8c4e3f4c06cb44d09906e5b41147 100644 (file)
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -45,6 +45,7 @@
 #include <asm/asm-offsets.h>
 #include <asm/dma.h>
 #include <asm/fixed_code.h>
+#include <asm/cacheflush.h>
 #include <asm/mem_map.h>
 
 #define TEXT_OFFSET 0
@@ -160,15 +161,15 @@ put_reg(struct task_struct *task, int regno, unsigned long data)
 static inline int is_user_addr_valid(struct task_struct *child,
                                     unsigned long start, unsigned long len)
 {
-       struct vm_list_struct *vml;
+       struct vm_area_struct *vma;
        struct sram_list_struct *sraml;
 
        /* overflow */
        if (start + len < start)
                return -EIO;
 
-       for (vml = child->mm->context.vmlist; vml; vml = vml->next)
-               if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end)
+       vma = find_vma(child->mm, start);
+       if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
                        return 0;
 
        for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next)
@@ -240,7 +241,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
                        } else if (addr >= FIXED_CODE_START
                            && addr + sizeof(tmp) <= FIXED_CODE_END) {
-                               memcpy(&tmp, (const void *)(addr), sizeof(tmp));
+                               copy_from_user_page(0, 0, 0, &tmp, (const void *)(addr), sizeof(tmp));
                                copied = sizeof(tmp);
 
                        } else
@@ -320,7 +321,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
                        } else if (addr >= FIXED_CODE_START
                            && addr + sizeof(data) <= FIXED_CODE_END) {
-                               memcpy((void *)(addr), &data, sizeof(data));
+                               copy_to_user_page(0, 0, 0, (void *)(addr), &data, sizeof(data));
                                copied = sizeof(data);
 
                        } else