diff options
Diffstat (limited to 'mm/fremap.c')
-rw-r--r-- | mm/fremap.c | 5 |
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 | ||
256 | out: | 256 | out: |
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 |