Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Kousik Sanagavarapu <> | Subject | [PATCH 3/3] soc: ti: pm33xx: do device_node auto cleanup | Date | Fri, 10 May 2024 12:43:24 +0530 |
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Use scope based cleanup instead of manual of_node_put() calls, hence simplifying the handling of error paths.
Suggested-by: Julia Lawall <julia.lawall@inria.fr> Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com> --- drivers/soc/ti/pm33xx.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index 8e983c3c4e03..40988c45ed00 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -383,10 +383,9 @@ static void am33xx_pm_free_sram(void) */ static int am33xx_pm_alloc_sram(void) { - struct device_node *np; - int ret = 0; + struct device_node *np __free(device_node) = + of_find_compatible_node(NULL, NULL, "ti,omap3-mpu"); - np = of_find_compatible_node(NULL, NULL, "ti,omap3-mpu"); if (!np) { np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu"); if (!np) { @@ -400,24 +399,21 @@ static int am33xx_pm_alloc_sram(void) if (!sram_pool) { dev_err(pm33xx_dev, "PM: %s: Unable to get sram pool for ocmcram\n", __func__); - ret = -ENODEV; - goto mpu_put_node; + return -ENODEV; } sram_pool_data = of_gen_pool_get(np, "pm-sram", 1); if (!sram_pool_data) { dev_err(pm33xx_dev, "PM: %s: Unable to get sram data pool for ocmcram\n", __func__); - ret = -ENODEV; - goto mpu_put_node; + return -ENODEV; } ocmcram_location = gen_pool_alloc(sram_pool, *pm_sram->do_wfi_sz); if (!ocmcram_location) { dev_err(pm33xx_dev, "PM: %s: Unable to allocate memory from ocmcram\n", __func__); - ret = -ENOMEM; - goto mpu_put_node; + return -ENOMEM; } ocmcram_location_data = gen_pool_alloc(sram_pool_data, @@ -425,12 +421,10 @@ static int am33xx_pm_alloc_sram(void) if (!ocmcram_location_data) { dev_err(pm33xx_dev, "PM: Unable to allocate memory from ocmcram\n"); gen_pool_free(sram_pool, ocmcram_location, *pm_sram->do_wfi_sz); - ret = -ENOMEM; + return -ENOMEM; } -mpu_put_node: - of_node_put(np); - return ret; + return 0; } static int am33xx_pm_rtc_setup(void) -- 2.45.0.rc1.8.ge326e52010
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