diff mbox series

fpga: fpga-mgr: Fix possible memory leak in fpga_mgr_register_full()

Message ID 20230928095909.1298103-1-ruanjinjie@huawei.com (mailing list archive)
State New
Headers show
Series fpga: fpga-mgr: Fix possible memory leak in fpga_mgr_register_full() | expand

Commit Message

Jinjie Ruan Sept. 28, 2023, 9:59 a.m. UTC
If device_register() fails in fpga_mgr_register_full(), the mgr
allocated by kzalloc() and the id allocated by ida_alloc() also need be
freed otherwise will cause memory leak.

Fixes: 4ba0b2c294fe ("fpga: mgr: Use standard dev_release for class driver")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
 drivers/fpga/fpga-mgr.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
index 06651389c592..9724f192ba16 100644
--- a/drivers/fpga/fpga-mgr.c
+++ b/drivers/fpga/fpga-mgr.c
@@ -827,13 +827,13 @@  fpga_mgr_register_full(struct device *parent, const struct fpga_manager_info *in
 	mgr->state = fpga_mgr_state(mgr);
 
 	ret = device_register(&mgr->dev);
-	if (ret) {
-		put_device(&mgr->dev);
-		return ERR_PTR(ret);
-	}
+	if (ret)
+		goto error_put_device;
 
 	return mgr;
 
+error_put_device:
+	put_device(&mgr->dev);
 error_device:
 	ida_free(&fpga_mgr_ida, id);
 error_kfree: