ibmasm driver:
Fix the command_put() function which uses a pointer for a spinlock that
can be freed before dereferencing it.
Signed-off-by: Max Asbock [email protected]
---
diff -burpN linux-2.6.16-rc1/drivers/misc/ibmasm/ibmasm.h linux-2.6.16-rc1.ibmasm/drivers/misc/ibmasm/ibmasm.h
--- linux-2.6.16-rc1/drivers/misc/ibmasm/ibmasm.h 2006-02-01 11:50:01.000000000 -0800
+++ linux-2.6.16-rc1.ibmasm/drivers/misc/ibmasm/ibmasm.h 2006-02-03 13:57:42.000000000 -0800
@@ -101,10 +101,11 @@ struct command {
static inline void command_put(struct command *cmd)
{
unsigned long flags;
+ spinlock_t *lock = cmd->lock;
- spin_lock_irqsave(cmd->lock, flags);
+ spin_lock_irqsave(lock, flags);
kobject_put(&cmd->kobj);
- spin_unlock_irqrestore(cmd->lock, flags);
+ spin_unlock_irqrestore(lock, flags);
}
static inline void command_get(struct command *cmd)
-
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