staging: gasket: core: protect against races during unregister

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Keep mutex held across the unregistration operation, until the
driver_desc field of the global table is removed, to prevent a
concurrent accessor from looking up the driver_desc while
gasket_unregister_device() is in the processing of removing it.

Reported-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Todd Poynor 2018-08-05 13:07:47 -07:00 • committed by Greg Kroah-Hartman

parent 71934948b0

commit 95a2c279b2

1 changed files with 1 additions and 2 deletions

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drivers/staging/gasket/gasket_core.c

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