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ipmi_si: Potential array underflow in hotmod_handler()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 22 Feb 2019 19:55:30 +0000 (22:55 +0300)
committerCorey Minyard <cminyard@mvista.com>
Fri, 22 Feb 2019 20:59:25 +0000 (14:59 -0600)
commit038903593317691cf5f87ba1286627f5e8ab5660
tree814065d11cddf10ce3abeb139e6509c5c50b01c3
parent90b2d4f15ff737fc03432c44cbb741da32ce06c4
ipmi_si: Potential array underflow in hotmod_handler()

The "ival" variable needs to signed so that we don't read before the
start of the str[] array.  This would only happen the user passed in a
module parameter that was just comprised of space characters.

Fixes: e80444ae4fc3 ("ipmi_si: Switch hotmod to use a platform device")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Message-Id: <20190222195530.GA306@kadam>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
drivers/char/ipmi/ipmi_si_hotmod.c