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raw: set range for MAX_RAW_DEVS 

The Kconfig symbol MAX_RAW_DEVS is meant to be between 1 and 65536. But
those boundaries are not enforced by its Kconfig entry.

Note that MAX_RAW_DEVS is used to set MAX_RAW_MINORS in
drivers/char/raw.c. If one would accidentally set MAX_RAW_DEVS to an
invalid value, that invalid value will actually end up being used in
raw_init().

So add an appropriate range to this Kconfig entry.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paul Bolle 2014-02-04 23:23:40 +01:00 committed by Greg Kroah-Hartman
parent 5bbb2ae3d6
commit 7143479a6a
1 changed files with 1 additions and 0 deletions
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drivers/char/Kconfig
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@ -499,6 +499,7 @@ config RAW_DRIVER
config MAX_RAW_DEVS
int "Maximum number of RAW devices to support (1-65536)"
depends on RAW_DRIVER
range 1 65536
default "256"
help
The maximum number of RAW devices that are supported.