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staging: android: ashmem: lseek failed due to no FMODE_LSEEK.

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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>
This commit is contained in:
zhangshuxiao
2017-03-08 16:53:24 +08:00
committed by Greg Kroah-Hartman
parent 24c96f7836
commit 6c8d409129
1 changed files with 1 additions and 0 deletions
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drivers/staging/android/ashmem.c
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@@ -392,6 +392,7 @@ 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);