regmap-irq: Add missing kfree()

commit 32ffed0 upstream.

Add kfree() for "d->main_status_buf" to the error-handling path to prevent
a memory leak.

Fixes: a2d2184 ("regmap: regmap-irq: Add main status register support")
Cc: [email protected]  # v5.1+
Signed-off-by: Jiasheng Jiang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Jiasheng Jiang

drivers/base/regmap/regmap-irq.c

@@ -904,6 +904,7 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
 	kfree(d->wake_buf);
 	kfree(d->mask_buf_def);
 	kfree(d->mask_buf);
+	kfree(d->main_status_buf);
 	kfree(d->status_buf);
 	kfree(d->status_reg_buf);
 	if (d->virt_buf) {
@@ -979,6 +980,7 @@ void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d)
 	kfree(d->wake_buf);
 	kfree(d->mask_buf_def);
 	kfree(d->mask_buf);
+	kfree(d->main_status_buf);
 	kfree(d->status_reg_buf);
 	kfree(d->status_buf);
 	kfree(d);