From 574718d366170b22227eda640ad94f414e9c7e2f Mon Sep 17 00:00:00 2001 From: Erik Skultety Date: Thu, 4 May 2017 11:26:10 +0200 Subject: [PATCH] mdev: Fix mingw build by adding a check for non-NULL pointer This patch fixes the following MinGW error (although actually being a false positive): ../../src/util/virmdev.c: In function 'virMediatedDeviceListMarkDevices': ../../src/util/virmdev.c:453:21: error: potential null pointer dereference [-Werror=null-dereference] const char *mdev_path = mdev->path; ^~~~~~~~~ Signed-off-by: Erik Skultety --- src/util/virmdev.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/util/virmdev.c b/src/util/virmdev.c index c861d21c9e..174f48cb30 100644 --- a/src/util/virmdev.c +++ b/src/util/virmdev.c @@ -449,9 +449,13 @@ virMediatedDeviceListMarkDevices(virMediatedDeviceListPtr dst, virObjectLock(dst); for (i = 0; i < count; i++) { + const char *mdev_path = NULL; virMediatedDevicePtr mdev = virMediatedDeviceListGet(src, i); - const char *mdev_path = mdev->path; + if (!mdev) + goto cleanup; + + mdev_path = mdev->path; if (virMediatedDeviceIsUsed(mdev, dst) || virMediatedDeviceSetUsedBy(mdev, drvname, domname) < 0) goto cleanup; -- 2.47.2