Messages in this thread Patch in this message | | | From | zhangshuxiaomi@gmail ... | Subject | [PATCH] staging: android: ashmem: lseek failed due to no FMODE_LSEEK. | Date | Wed, 8 Mar 2017 18:11:57 +0800 |
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From: zhangshuxiao <zhangshuxiao@xiaomi.com>
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.
Signed-off-by: zhangshuxiao <zhangshuxiao@xiaomi.com> --- drivers/staging/android/ashmem.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 3f11332..e4530ac 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -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); -- 1.9.1
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