cryptodev-module: Fix build on kernel v3.19

Kernel commit f938612dd97d481b8b5bf960c992ae577f081c17 removes the get_unused_fd_macro().
This patch replaces the macro with its output.

| NOTE: make -j 8 KERNEL_DIR=/home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/sysroots/qt5022/usr/src/kernel PREFIX=/home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/work/qt5022-poky-linux/cryptodev-module/1.6-r0/image KERNEL_PATH=/home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/sysroots/qt5022/usr/src/kernel KERNEL_SRC=/home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/sysroots/qt5022/usr/src/kernel KERNEL_VERSION=3.19.0-qtec-standard CC=x86_64-poky-linux-gcc  LD=x86_64-poky-linux-ld.bfd  AR=x86_64-poky-linux-ar
| make -C /home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/sysroots/qt5022/usr/src/kernel SUBDIRS=`pwd` modules
| make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
| make[1]: Entering directory '/home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/sysroots/qt5022/usr/src/kernel'
|   CC [M]  /home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/work/qt5022-poky-linux/cryptodev-module/1.6-r0/cryptodev-linux-1.6/ioctl.o
| /home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/work/qt5022-poky-linux/cryptodev-module/1.6-r0/cryptodev-linux-1.6/ioctl.c: In function 'clonefd':
| /home/ricardo/curro/qtec/qt5022/build-qt5022-cesium/build/tmp/work/qt5022-poky-linux/cryptodev-module/1.6-r0/cryptodev-linux-1.6/ioctl.c:532:2: error: implicit declaration of function 'get_unused_fd' [-Werror=implicit-function-declaration]
|   ret = get_unused_fd();
|   ^

(From OE-Core rev: 83643dc4edb9c7656726302b92fb22d1c8652dac)

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/meta/recipes-kernel/cryptodev/files/0001-ioctl.c-Fix-build-on-3.19.patch b/meta/recipes-kernel/cryptodev/files/0001-ioctl.c-Fix-build-on-3.19.patch
new file mode 100644
index 0000000000..74c8972536
--- /dev/null
+++ b/meta/recipes-kernel/cryptodev/files/0001-ioctl.c-Fix-build-on-3.19.patch
@@ -0,0 +1,29 @@
+From 7d71124991030f99965e6e6aaed421115f185adb Mon Sep 17 00:00:00 2001
+From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
+Date: Mon, 9 Feb 2015 13:51:56 +0100
+Subject: [PATCH] ioctl.c: Fix build on 3.19
+
+get_unused_fd() MACRO has been removed on kernel 3.19. Replace by the
+actual output of the macro.
+
+Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
+---
+ ioctl.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ioctl.c b/ioctl.c
+index f26cf93..cf8cc17 100644
+--- a/ioctl.c
++++ b/ioctl.c
+@@ -529,7 +529,7 @@ static int
+ clonefd(struct file *filp)
+ {
+        int ret;
+-       ret = get_unused_fd();
++       ret = get_unused_fd_flags(0);
+        if (ret >= 0) {
+                        get_file(filp);
+                        fd_install(ret, filp);
+-- 
+2.1.4
+