ARC: cleanup show_faulting_vma()

 - Remove unused variables
 - check return value of file_path

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index 783b20354f8bf7889075ec4219310eb9b6f4fbf7..e8d9fb4523462a9807358fea19c4e7668cc1126d 100644 (file)
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -83,9 +83,6 @@ done:
 static void show_faulting_vma(unsigned long address, char *buf)
 {
        struct vm_area_struct *vma;
-       struct inode *inode;
-       unsigned long ino = 0;
-       dev_t dev = 0;
        char *nm = buf;
        struct mm_struct *active_mm = current->active_mm;
 
@@ -99,12 +96,10 @@ static void show_faulting_vma(unsigned long address, char *buf)
         * if the container VMA is not found
         */
        if (vma && (vma->vm_start <= address)) {
-               struct file *file = vma->vm_file;
-               if (file) {
-                       nm = file_path(file, buf, PAGE_SIZE - 1);
-                       inode = file_inode(vma->vm_file);
-                       dev = inode->i_sb->s_dev;
-                       ino = inode->i_ino;
+               if (vma->vm_file) {
+                       nm = file_path(vma->vm_file, buf, PAGE_SIZE - 1);
+                       if (IS_ERR(nm))
+                               nm = "?";
                }
                pr_info("    @off 0x%lx in [%s]\n"
                        "    VMA: 0x%08lx to 0x%08lx\n",