FAILED: Patch "media: i2c/tw9906: Fix potential memory leak in tw9906_probe()" failed to apply to 5.15-stable tree

FAILED: Patch "media: i2c/tw9906: Fix potential memory leak in tw9906_probe()" failed to apply to 5.15-stable tree

[Sasha Levin]

The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

From cad237b6c875fbee5d353a2b289e98d240d17ec8 Mon Sep 17 00:00:00 2001
From: Abdun Nihaal <nihaal@cse.iitm.ac.in>
Date: Tue, 23 Dec 2025 11:19:01 +0530
Subject: [PATCH] media: i2c/tw9906: Fix potential memory leak in
 tw9906_probe()

In one of the error paths in tw9906_probe(), the memory allocated in
v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that
by calling v4l2_ctrl_handler_free() on the handler in that error path.

Cc: stable@vger.kernel.org
Fixes: a000e9a02b58 ("[media] tw9906: add Techwell tw9906 video decoder")
Signed-off-by: Abdun Nihaal <nihaal@cse.iitm.ac.in>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
---
 drivers/media/i2c/tw9906.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/i2c/tw9906.c b/drivers/media/i2c/tw9906.c
index 6220f4fddbabc..0ab43fe42d7f4 100644
--- a/drivers/media/i2c/tw9906.c
+++ b/drivers/media/i2c/tw9906.c
@@ -196,6 +196,7 @@ static int tw9906_probe(struct i2c_client *client)
 
 	if (write_regs(sd, initial_registers) < 0) {
 		v4l2_err(client, "error initializing TW9906\n");
+		v4l2_ctrl_handler_free(hdl);
 		return -EINVAL;
 	}
 
-- 
2.51.0