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Revision a4426488

IDa44264880ef42254edb88f9ec5d6f35e3e84089b

Added by Markus Armbruster about 12 years ago

block: Simplify usb_msd_initfn() test for "can read bdrv key"

The old test assumes that "hotplugged" implies "we have a current
monitor for reading the key". This is in fact true, but it's not
obviously true.

Aside: if it were false, we could pass a null pointer to
monitor_read_bdrv_key_start(), which would then crash.

The previous commit permits us to check for "we have a current
monitor" directly, so do that.

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