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path: root/drivers/char/misc.c
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Diffstat (limited to 'drivers/char/misc.c')
-rw-r--r--drivers/char/misc.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 71c8cd7fa15..a39101feb2e 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -232,8 +232,9 @@ int misc_register(struct miscdevice * misc)
}
/**
- * misc_deregister - unregister a miscellaneous device
+ * __misc_deregister - unregister a miscellaneous device
* @misc: device to unregister
+ * @suspended: to be set if the function is used during suspend/resume
*
* Unregister a miscellaneous device that was previously
* successfully registered with misc_register(). Success
@@ -241,7 +242,7 @@ int misc_register(struct miscdevice * misc)
* indicates an error.
*/
-int misc_deregister(struct miscdevice * misc)
+int __misc_deregister(struct miscdevice *misc, bool suspended)
{
int i = misc->minor;
@@ -250,7 +251,11 @@ int misc_deregister(struct miscdevice * misc)
mutex_lock(&misc_mtx);
list_del(&misc->list);
- device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor));
+ if (suspended)
+ destroy_suspended_device(misc_class,
+ MKDEV(MISC_MAJOR, misc->minor));
+ else
+ device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor));
if (i < DYNAMIC_MINORS && i>0) {
misc_minors[i>>3] &= ~(1 << (misc->minor & 7));
}
@@ -259,7 +264,7 @@ int misc_deregister(struct miscdevice * misc)
}
EXPORT_SYMBOL(misc_register);
-EXPORT_SYMBOL(misc_deregister);
+EXPORT_SYMBOL(__misc_deregister);
static int __init misc_init(void)
{