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egl/dri2: Fix const pointer duplication, prevent unitialized variable dereference.

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Based on zhigang gong <zhigang.gong@gmail.com>'s patch.
This commit is contained in:
José Fonseca
2011-05-12 15:23:02 +01:00
parent 6a661895e9
commit 6c26072bd1
1 changed files with 7 additions and 5 deletions
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src/egl/drivers/dri2/platform_drm.c
+7 -5
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@@ -581,7 +581,8 @@ dri2_get_device_name(int fd)
struct udev *udev;
struct udev_device *device;
struct stat buf;
char *device_name;
const char *const_device_name;
char *device_name = NULL;
udev = udev_new();
if (fstat(fd, &buf) < 0) {
@@ -596,10 +597,11 @@ dri2_get_device_name(int fd)
goto out;
}
device_name = udev_device_get_devnode(device);
if (!device_name)
goto out;
device_name = strdup(device_name);
const_device_name = udev_device_get_devnode(device);
if (!const_device_name) {
goto out;
}
device_name = strdup(const_device_name);
out:
udev_device_unref(device);