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-rw-r--r--fs/fuse/file.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 9895ce2d7023..83d917f7e542 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -18,6 +18,7 @@
#include <linux/swap.h>
#include <linux/falloc.h>
#include <linux/uio.h>
+#include <linux/fs.h>
static struct page **fuse_pages_alloc(unsigned int npages, gfp_t flags,
struct fuse_page_desc **desc)
@@ -2775,7 +2776,16 @@ long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,
struct iovec *iov = iov_page;
iov->iov_base = (void __user *)arg;
- iov->iov_len = _IOC_SIZE(cmd);
+
+ switch (cmd) {
+ case FS_IOC_GETFLAGS:
+ case FS_IOC_SETFLAGS:
+ iov->iov_len = sizeof(int);
+ break;
+ default:
+ iov->iov_len = _IOC_SIZE(cmd);
+ break;
+ }
if (_IOC_DIR(cmd) & _IOC_WRITE) {
in_iov = iov;