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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>
This commit is contained in:
Eugeniy Paltsev 2018-08-06 19:44:23 +03:00 committed by Vineet Gupta
parent c83532fb0f
commit 1e3bece2de
1 changed files with 4 additions and 9 deletions
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13
arch/arc/kernel/troubleshoot.c
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@ -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",