rtc: optee: fix memory leak on driver removal

Upsylonbare · gregkh · commit bdde538d5d8c · 2025-10-19T16:33:36.000+02:00
[ Upstream commit a531350 ] Fix a memory leak in case of driver removal. Free the shared memory used for arguments exchanges between kernel and OP-TEE RTC PTA. Fixes: 81c2f05 ("rtc: optee: add RTC driver for OP-TEE RTC PTA") Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com> Link: https://lore.kernel.org/r/20250715-upstream-optee-rtc-v1-1-e0fdf8aae545@foss.st.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
diff --git a/drivers/rtc/rtc-optee.c b/drivers/rtc/rtc-optee.c
@@ -320,6 +320,7 @@ static int optee_rtc_remove(struct device *dev)
 {
 	struct optee_rtc *priv = dev_get_drvdata(dev);
 
+	tee_shm_free(priv->shm);
 	tee_client_close_session(priv->ctx, priv->session_id);
 	tee_client_close_context(priv->ctx);
 

Original file line number	Diff line number	Diff line change
`@@ -320,6 +320,7 @@ static int optee_rtc_remove(struct device *dev)`
`320`	`320`	`{`
`321`	`321`	`struct optee_rtc *priv = dev_get_drvdata(dev);`
`322`	`322`
	`323`	`+ tee_shm_free(priv->shm);`
`323`	`324`	`tee_client_close_session(priv->ctx, priv->session_id);`
`324`	`325`	`tee_client_close_context(priv->ctx);`
`325`	`326`