VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-05-06 16:00:47 +0200 committer: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-05-13 18:58:44 +0200 commit: 9183f01b5e6e32eb3f17b5f3f8d5ad5ac9786c49 parent: 419b4a142a7ece36cebcd434f8ce2af59ef94b85
Commit Summary:
cdrom: gdrom: initialize global variable at init time
Diffstat:
1 file changed, 7 insertions, 1 deletion
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 6c4f6139f853..c6d8c0f59722 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -744,6 +744,13 @@ static const struct blk_mq_ops gdrom_mq_ops = {
 static int probe_gdrom(struct platform_device *devptr)
 {
 	int err;
+
+	/*
+	 * Ensure our "one" device is initialized properly in case of previous
+	 * usages of it
+	 */
+	memset(&gd, 0, sizeof(gd));
+
 	/* Start the device */
 	if (gdrom_execute_diagnostic() != 1) {
 		pr_warn("ATA Probe for GDROM failed\n");
@@ -847,7 +854,7 @@ static struct platform_driver gdrom_driver = {
 static int __init init_gdrom(void)
 {
 	int rc;
-	gd.toc = NULL;
+
 	rc = platform_driver_register(&gdrom_driver);
 	if (rc)
 		return rc;