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path: root/drivers/spi/spi.c
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Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 791c4dc550a..94f5e8ed83a 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -90,7 +90,7 @@ static int spi_suspend(struct device *dev, pm_message_t message)
90 int value; 90 int value;
91 struct spi_driver *drv = to_spi_driver(dev->driver); 91 struct spi_driver *drv = to_spi_driver(dev->driver);
92 92
93 if (!drv->suspend) 93 if (!drv || !drv->suspend)
94 return 0; 94 return 0;
95 95
96 /* suspend will stop irqs and dma; no more i/o */ 96 /* suspend will stop irqs and dma; no more i/o */
@@ -105,7 +105,7 @@ static int spi_resume(struct device *dev)
105 int value; 105 int value;
106 struct spi_driver *drv = to_spi_driver(dev->driver); 106 struct spi_driver *drv = to_spi_driver(dev->driver);
107 107
108 if (!drv->resume) 108 if (!drv || !drv->resume)
109 return 0; 109 return 0;
110 110
111 /* resume may restart the i/o queue */ 111 /* resume may restart the i/o queue */
@@ -449,7 +449,6 @@ void spi_unregister_master(struct spi_master *master)
449{ 449{
450 (void) device_for_each_child(master->cdev.dev, NULL, __unregister); 450 (void) device_for_each_child(master->cdev.dev, NULL, __unregister);
451 class_device_unregister(&master->cdev); 451 class_device_unregister(&master->cdev);
452 master->cdev.dev = NULL;
453} 452}
454EXPORT_SYMBOL_GPL(spi_unregister_master); 453EXPORT_SYMBOL_GPL(spi_unregister_master);
455 454