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powerpc/mm/radix: Parse disable_radix commandline correctly.

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kernel parameter disable_radix takes different options
disable_radix=yes|no|1|0 or just disable_radix. When using the later
format we get below error.

 `Malformed early option 'disable_radix'`

Fixes: 1fd6c02207 ("powerpc/mm: Add a CONFIG option to choose if radix is used by default")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2018-03-30 17:39:01 +05:30 committed by Michael Ellerman
parent 6fa504835d
commit cec4e9b28f
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/mm/init_64.c
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@ -366,7 +366,7 @@ static int __init parse_disable_radix(char *p)
{
bool val;
if (strlen(p) == 0)
if (!p)
val = true;
else if (kstrtobool(p, &val))
return -EINVAL;