summaryrefslogtreecommitdiff
path: root/drivers/i3c
diff options
context:
space:
mode:
authorFelix Gu <ustc.gu@gmail.com>2026-04-06 20:43:16 +0800
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2026-04-12 16:47:13 +0200
commitd7665c3b4f575251e449e2656879392346ca612b (patch)
tree8cf4d7f23b79c2339e8ed6918fcc2866fc5aaa57 /drivers/i3c
parent19d6dd322c3f05550606dbfcbafb5f6989975c02 (diff)
downloadlwn-d7665c3b4f575251e449e2656879392346ca612b.tar.gz
lwn-d7665c3b4f575251e449e2656879392346ca612b.zip
i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers()
The xfer structure allocated by renesas_i3c_alloc_xfer() was never freed in the renesas_i3c_i3c_xfers() function. Use the __free(kfree) cleanup attribute to automatically free the memory when the variable goes out of scope. Fixes: d028219a9f14 ("i3c: master: Add basic driver for the Renesas I3C controller") Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com> Reviewed-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Felix Gu <ustc.gu@gmail.com> Link: https://patch.msgid.link/20260406-renesas-v3-1-4b724d7708f4@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/i3c')
-rw-r--r--drivers/i3c/master/renesas-i3c.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c
index d9f5b30a4b2f..a8a9e89a9710 100644
--- a/drivers/i3c/master/renesas-i3c.c
+++ b/drivers/i3c/master/renesas-i3c.c
@@ -8,6 +8,7 @@
#include <linux/bitfield.h>
#include <linux/bitops.h>
+#include <linux/cleanup.h>
#include <linux/clk.h>
#include <linux/completion.h>
#include <linux/err.h>
@@ -817,13 +818,12 @@ static int renesas_i3c_i3c_xfers(struct i3c_dev_desc *dev, struct i3c_xfer *i3c_
struct i3c_master_controller *m = i3c_dev_get_master(dev);
struct renesas_i3c *i3c = to_renesas_i3c(m);
struct renesas_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
- struct renesas_i3c_xfer *xfer;
int i;
/* Enable I3C bus. */
renesas_i3c_bus_enable(m, true);
- xfer = renesas_i3c_alloc_xfer(i3c, 1);
+ struct renesas_i3c_xfer *xfer __free(kfree) = renesas_i3c_alloc_xfer(i3c, 1);
if (!xfer)
return -ENOMEM;