Commit f87a4f02 authored by yu kuai's avatar yu kuai Committed by Alexandre Belloni

ARM: at91: pm: add missing put_device() call in at91_pm_sram_init()

if of_find_device_by_node() succeed, at91_pm_sram_init() doesn't have
a corresponding put_device(). Thus add a jump target to fix the exception
handling for this function implementation.

Fixes: d2e46790 ("ARM: at91: pm: use the mmio-sram pool to access SRAM")
Signed-off-by: default avataryu kuai <yukuai3@huawei.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200604123301.3905837-1-yukuai3@huawei.com
parent b3a9e3b9
......@@ -592,13 +592,13 @@ static void __init at91_pm_sram_init(void)
sram_pool = gen_pool_get(&pdev->dev, NULL);
if (!sram_pool) {
pr_warn("%s: sram pool unavailable!\n", __func__);
return;
goto out_put_device;
}
sram_base = gen_pool_alloc(sram_pool, at91_pm_suspend_in_sram_sz);
if (!sram_base) {
pr_warn("%s: unable to alloc sram!\n", __func__);
return;
goto out_put_device;
}
sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base);
......@@ -606,12 +606,17 @@ static void __init at91_pm_sram_init(void)
at91_pm_suspend_in_sram_sz, false);
if (!at91_suspend_sram_fn) {
pr_warn("SRAM: Could not map\n");
return;
goto out_put_device;
}
/* Copy the pm suspend handler to SRAM */
at91_suspend_sram_fn = fncpy(at91_suspend_sram_fn,
&at91_pm_suspend_in_sram, at91_pm_suspend_in_sram_sz);
return;
out_put_device:
put_device(&pdev->dev);
return;
}
static bool __init at91_is_pm_mode_active(int pm_mode)
......
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