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RISC-V soc fixes for v7.0-rc1

Browse Source 
drivers:
 Fix leaks in probe/init function teardown code in three drivers.
 
 microchip:
 Fix a warning introduced by a recent binding change, that made resets
 required on Polarfire SoC's CAN IP.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-fixes-for-v7.0-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

RISC-V soc fixes for v7.0-rc1

drivers:
Fix leaks in probe/init function teardown code in three drivers.

microchip:
Fix a warning introduced by a recent binding change, that made resets
required on Polarfire SoC's CAN IP.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-soc-fixes-for-v7.0-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  cache: ax45mp: Fix device node reference leak in ax45mp_cache_init()
  cache: starfive: fix device node leak in starlink_cache_init()
  riscv: dts: microchip: add can resets to mpfs
  soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2026-03-04 21:35:01 +01:00
commit b69d48137e
4 changed files with 15 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/riscv/boot/dts/microchip/mpfs.dtsi
View File

@ -428,6 +428,7 @@ can0: can@2010c000 {
clocks = <&clkcfg CLK_CAN0>, <&clkcfg CLK_MSSPLL3>;
interrupt-parent = <&plic>;
interrupts = <56>;
resets = <&mss_top_sysreg CLK_CAN0>;
status = "disabled";
};
@ -437,6 +438,7 @@ can1: can@2010d000 {
clocks = <&clkcfg CLK_CAN1>, <&clkcfg CLK_MSSPLL3>;
interrupt-parent = <&plic>;
interrupts = <57>;
resets = <&mss_top_sysreg CLK_CAN1>;
status = "disabled";
};

4
drivers/cache/ax45mp_cache.c vendored
View File

@ -178,11 +178,11 @@ static const struct of_device_id ax45mp_cache_ids[] = {
static int __init ax45mp_cache_init(void)
{
struct device_node *np;
struct resource res;
int ret;
np = of_find_matching_node(NULL, ax45mp_cache_ids);
struct device_node *np __free(device_node) =
of_find_matching_node(NULL, ax45mp_cache_ids);
if (!of_device_is_available(np))
return -ENODEV;

4
drivers/cache/starfive_starlink_cache.c vendored
View File

@ -102,11 +102,11 @@ static const struct of_device_id starlink_cache_ids[] = {
static int __init starlink_cache_init(void)
{
struct device_node *np;
u32 block_size;
int ret;
np = of_find_matching_node(NULL, starlink_cache_ids);
struct device_node *np __free(device_node) =
of_find_matching_node(NULL, starlink_cache_ids);
if (!of_device_is_available(np))
return -ENODEV;

13
drivers/soc/microchip/mpfs-sys-controller.c
View File

@ -142,8 +142,10 @@ static int mpfs_sys_controller_probe(struct platform_device *pdev)
sys_controller->flash = of_get_mtd_device_by_node(np);
of_node_put(np);
if (IS_ERR(sys_controller->flash))
return dev_err_probe(dev, PTR_ERR(sys_controller->flash), "Failed to get flash\n");
if (IS_ERR(sys_controller->flash)) {
ret = dev_err_probe(dev, PTR_ERR(sys_controller->flash), "Failed to get flash\n");
goto out_free;
}
no_flash:
sys_controller->client.dev = dev;
@ -155,8 +157,7 @@ static int mpfs_sys_controller_probe(struct platform_device *pdev)
if (IS_ERR(sys_controller->chan)) {
ret = dev_err_probe(dev, PTR_ERR(sys_controller->chan),
"Failed to get mbox channel\n");
kfree(sys_controller);
return ret;
goto out_free;
}
init_completion(&sys_controller->c);
@ -174,6 +175,10 @@ static int mpfs_sys_controller_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "Registered MPFS system controller\n");
return 0;
out_free:
kfree(sys_controller);
return ret;
}
static void mpfs_sys_controller_remove(struct platform_device *pdev)