flash: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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@ -127,9 +127,13 @@ flash_read(struct file * file, char __user * buf,
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static int
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static int
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flash_open(struct inode *inode, struct file *file)
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flash_open(struct inode *inode, struct file *file)
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{
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{
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if (test_and_set_bit(0, (void *)&flash.busy) != 0)
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lock_kernel();
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if (test_and_set_bit(0, (void *)&flash.busy) != 0) {
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unlock_kernel();
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return -EBUSY;
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return -EBUSY;
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}
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unlock_kernel();
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return 0;
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return 0;
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}
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}
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