From: Satoru Moriya <satoru.moriya@hds.com>
Date: Thu, 26 May 2011 23:38:04 +0000 (-0400)
Subject: param: fix return value handling in param_set_*
X-Git-Tag: v3.1-rc1~263^2~5
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81c7413650fbbf881bcb9e567be61a6717eb1876;p=pandora-kernel.git

param: fix return value handling in param_set_*

In STANDARD_PARAM_DEF, param_set_* handles the case in which strtolfn
returns -EINVAL but it may return -ERANGE. If it returns -ERANGE,
param_set_* may set uninitialized value to the paramerter. We should handle
both cases.

The one of the cases in which strtolfn() returns -ERANGE is following:

 *Type of module parameter is long
 *Set the parameter more than LONG_MAX

Signed-off-by: Satoru Moriya <satoru.moriya@hds.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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