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>

1 files changed, 4 insertions, 9 deletions

diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index 783b20354f8b..e8d9fb452346 100644
--- 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",