[dpdk-dev] [PATCH] vhost: Fix `struct file' leakage in `eventfd_link'

[Pavel Boldin]

Due to increased `struct file's reference counter subsequent call
to `filp_close' does not free the `struct file'. Prepend `fput' call
to decrease the reference counter.

Signed-off-by: Pavel Boldin <pboldin at mirantis.com>
---
 lib/librte_vhost/eventfd_link/eventfd_link.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/librte_vhost/eventfd_link/eventfd_link.c 
b/lib/librte_vhost/eventfd_link/eventfd_link.c
index 7755dd6..62c45c8 100644
--- a/lib/librte_vhost/eventfd_link/eventfd_link.c
+++ b/lib/librte_vhost/eventfd_link/eventfd_link.c
@@ -117,6 +117,7 @@ eventfd_link_ioctl(struct file *f, unsigned int ioctl, 
unsigned long arg)
                 * Release the existing eventfd in the source process
                 */
                spin_lock(&files->file_lock);
+               fput(file);
                filp_close(file, files);
                fdt = files_fdtable(files);
                fdt->fd[eventfd_copy.source_fd] = NULL;
-- 
1.9.1