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-rw-r--r--mm/fremap.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/fremap.c b/mm/fremap.c
index 0cd4c11488ed..4723ac8d2fc2 100644
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -129,7 +129,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
129 struct vm_area_struct *vma; 129 struct vm_area_struct *vma;
130 int err = -EINVAL; 130 int err = -EINVAL;
131 int has_write_lock = 0; 131 int has_write_lock = 0;
132 vm_flags_t vm_flags; 132 vm_flags_t vm_flags = 0;
133 133
134 if (prot) 134 if (prot)
135 return err; 135 return err;
@@ -254,7 +254,8 @@ get_write_lock:
254 */ 254 */
255 255
256out: 256out:
257 vm_flags = vma->vm_flags; 257 if (vma)
258 vm_flags = vma->vm_flags;
258 if (likely(!has_write_lock)) 259 if (likely(!has_write_lock))
259 up_read(&mm->mmap_sem); 260 up_read(&mm->mmap_sem);
260 else 261 else