netdev - [PATCH 6/6] media: platform: fix missing/incorrect resource cleanup in error case

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Date:   Sun, 29 May 2022 23:34:56 +0800
From:   Chengguang Xu <cgxu519@...ernel.net>
To:     netdev@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-scsi@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-media@...r.kernel.org
Cc:     Chengguang Xu <cgxu519@...ernel.net>
Subject: [PATCH 6/6] media: platform: fix missing/incorrect resource cleanup in error case

In error case of s5p_mfc_power_on() we should call
clk_disable_unprepare() for the
clocks(from pm->clocks[0] to pm->clocks[i-1]).

Signed-off-by: Chengguang Xu <cgxu519@...ernel.net>
---
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c
index 72a901e99450..187849841a28 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c
@@ -88,7 +88,6 @@ int s5p_mfc_power_on(void)
 		if (ret < 0) {
 			mfc_err("clock prepare failed for clock: %s\n",
 				pm->clk_names[i]);
-			i++;
 			goto err;
 		}
 	}
@@ -98,7 +97,7 @@ int s5p_mfc_power_on(void)
 
 	return 0;
 err:
-	while (--i > 0)
+	while (--i >= 0)
 		clk_disable_unprepare(pm->clocks[i]);
 	pm_runtime_put(pm->device);
 	return ret;
-- 
2.27.0