Adding upstream version 6.10.3.upstream/6.10.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c
index 7e2d1f0d90..82aeb09b3d 100644
--- a/drivers/base/devcoredump.c
+++ b/drivers/base/devcoredump.c
@@ -305,6 +305,29 @@ static ssize_t devcd_read_from_sgtable(char *buffer, loff_t offset,
 }
 
 /**
+ * dev_coredump_put - remove device coredump
+ * @dev: the struct device for the crashed device
+ *
+ * dev_coredump_put() removes coredump, if exists, for a given device from
+ * the file system and free its associated data otherwise, does nothing.
+ *
+ * It is useful for modules that do not want to keep coredump
+ * available after its unload.
+ */
+void dev_coredump_put(struct device *dev)
+{
+	struct device *existing;
+
+	existing = class_find_device(&devcd_class, NULL, dev,
+				     devcd_match_failing);
+	if (existing) {
+		devcd_free(existing, NULL);
+		put_device(existing);
+	}
+}
+EXPORT_SYMBOL_GPL(dev_coredump_put);
+
+/**
  * dev_coredumpm - create device coredump with read/free methods
  * @dev: the struct device for the crashed device
  * @owner: the module that contains the read/free functions, use %THIS_MODULE