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-rw-r--r--fs/proc/base.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index cca635d252d4..155dee600ed4 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2022,11 +2022,8 @@ static int map_files_d_revalidate(struct dentry *dentry, struct nameidata *nd)
if (!task)
goto out_notask;
- if (!ptrace_may_access(task, PTRACE_MODE_READ))
- goto out;
-
- mm = get_task_mm(task);
- if (!mm)
+ mm = mm_access(task, PTRACE_MODE_READ);
+ if (IS_ERR_OR_NULL(mm))
goto out;
if (!dname_to_vma_addr(dentry, &vm_start, &vm_end)) {