diff options
| author | zhangshuxiao <zhangshuxiao@xiaomi.com> | 2017-03-08 16:53:24 +0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-16 15:03:38 +0200 |
| commit | 79f6892244423663d4359caa2692b59939fed1cc (patch) | |
| tree | e7d922d2bbb390464531a525b991fb905c32f4c6 | |
| parent | 7891c2f91f978a98e669d24c486b2b25aa72b226 (diff) | |
| download | android_kernel_m2note-79f6892244423663d4359caa2692b59939fed1cc.tar.gz | |
staging: android: ashmem: lseek failed due to no FMODE_LSEEK.
vfs_llseek will check whether the file mode has
FMODE_LSEEK, no return failure. But ashmem can be
lseek, so add FMODE_LSEEK to ashmem file.
Change-Id: Ia78ef4c7c96adb89d52e70b63f7c00636fe60d01
Signed-off-by: zhangshuxiao <zhangshuxiao@xiaomi.com>
(cherry picked from commit 6c8d409129bbebe36cde9f8e511011756216163a)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| -rw-r--r-- | drivers/staging/android/ashmem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index f71ad1e07..28f4787cf 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -321,6 +321,7 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma) ret = PTR_ERR(vmfile); goto out; } + vmfile->f_mode |= FMODE_LSEEK; asma->file = vmfile; } get_file(asma->file); |