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memory: emif: Add check for setup_interrupts
author
Jiasheng Jiang
<jiasheng@iscas.ac.cn>
Thu, 24 Feb 2022 02:54:44 +0000
(10:54 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 20 Apr 2022 07:08:15 +0000
(09:08 +0200)
[ Upstream commit
fd7bd80b46373887b390852f490f21b07e209498
]
As the potential failure of the devm_request_threaded_irq(),
it should be better to check the return value of the
setup_interrupts() and return error if fails.
Fixes:
68b4aee35d1f
("memory: emif: add interrupt and temperature handling")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link:
https://lore.kernel.org/r/20220224025444.3256530-1-jiasheng@iscas.ac.cn
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/memory/emif.c
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diff --git
a/drivers/memory/emif.c
b/drivers/memory/emif.c
index 88c32b8dc88a11c4806d0bfc7d764c425bcdf55c..ed6c5fcb136f0d0a4b23101eeb957767e3c89431 100644
(file)
--- a/
drivers/memory/emif.c
+++ b/
drivers/memory/emif.c
@@
-1517,7
+1517,7
@@
static int __init_or_module emif_probe(struct platform_device *pdev)
{
struct emif_data *emif;
struct resource *res;
- int irq;
+ int irq
, ret
;
if (pdev->dev.of_node)
emif = of_get_memory_device_details(pdev->dev.of_node, &pdev->dev);
@@
-1551,7
+1551,9
@@
static int __init_or_module emif_probe(struct platform_device *pdev)
emif_onetime_settings(emif);
emif_debugfs_init(emif);
disable_and_clear_all_interrupts(emif);
- setup_interrupts(emif, irq);
+ ret = setup_interrupts(emif, irq);
+ if (ret)
+ goto error;
/* One-time actions taken on probing the first device */
if (!emif1) {