Patch "tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     tty-serial-samsung_tty-fix-a-memory-leak-in-s3c24xx_serial_getclk-in-case-of-error.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From a9c09546e903f1068acfa38e1ee18bded7114b37 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Date: Sat, 10 Jun 2023 17:59:25 +0200
Subject: tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error

From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

commit a9c09546e903f1068acfa38e1ee18bded7114b37 upstream.

If clk_get_rate() fails, the clk that has just been allocated needs to be
freed.

Cc: <stable@xxxxxxxxxxxxxxx> # v3.3+
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx>
Fixes: 5f5a7a5578c5 ("serial: samsung: switch to clkdev based clock lookup")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Reviewed-by: Jiri Slaby <jirislaby@xxxxxxxxxx>
Message-ID: <e4baf6039368f52e5a5453982ddcb9a330fc689e.1686412569.git.christophe.jaillet@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/tty/serial/samsung_tty.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -1313,8 +1313,12 @@ static unsigned int s3c24xx_serial_getcl
 			continue;
 
 		rate = clk_get_rate(clk);
-		if (!rate)
+		if (!rate) {
+			dev_err(ourport->port.dev,
+				"Failed to get clock rate for %s.\n", clkname);
+			clk_put(clk);
 			continue;
+		}
 
 		if (ourport->info->has_divslot) {
 			unsigned long div = rate / req_baud;


Patches currently in stable-queue which might be from christophe.jaillet@xxxxxxxxxx are

queue-5.10/wifi-ray_cs-fix-an-error-handling-path-in-ray_probe.patch
queue-5.10/ib-hfi1-use-bitmap_zalloc-when-applicable.patch
queue-5.10/wifi-orinoco-fix-an-error-handling-path-in-orinoco_c.patch
queue-5.10/tty-serial-samsung_tty-fix-a-memory-leak-in-s3c24xx_serial_getclk-when-iterating-clk.patch
queue-5.10/usb-dwc3-qcom-fix-an-error-handling-path-in-dwc3_qco.patch
queue-5.10/usb-dwc3-qcom-release-the-correct-resources-in-dwc3_.patch
queue-5.10/wifi-orinoco-fix-an-error-handling-path-in-spectrum_.patch
queue-5.10/firmware-stratix10-svc-fix-a-potential-resource-leak-in-svc_create_memory_pool.patch
queue-5.10/wifi-mwifiex-fix-the-size-of-a-memory-allocation-in-.patch
queue-5.10/thermal-drivers-sun8i-fix-some-error-handling-paths-.patch
queue-5.10/tty-serial-samsung_tty-fix-a-memory-leak-in-s3c24xx_serial_getclk-in-case-of-error.patch
queue-5.10/pinctrl-bcm2835-handle-gpiochip_add_pin_range-errors.patch
queue-5.10/fbdev-omapfb-lcd_mipid-fix-an-error-handling-path-in.patch
queue-5.10/wifi-atmel-fix-an-error-handling-path-in-atmel_probe.patch
queue-5.10/mfd-stmpe-only-disable-the-regulators-if-they-are-en.patch
queue-5.10/rtc-st-lpc-release-some-resources-in-st_rtc_probe-in.patch
queue-5.10/usb-dwc3-meson-g12a-fix-an-error-handling-path-in-dw.patch
queue-5.10/wifi-wl3501_cs-fix-an-error-handling-path-in-wl3501_.patch



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