Previous attempt to fix was b042e47491ba5f487601b5141a3f1d8582304170

Suggested use of is_power_of_2() was bogus because is_power_of_2(0) is
false (documented behaviour).

Signed-off-by: Maxime Bizon <[email protected]>
---
 fs/pstore/ram.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index a6119f9..03325bc 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -400,11 +400,11 @@ static int ramoops_probe(struct platform_device *pdev)
                goto fail_out;
        }
 
-       if (!is_power_of_2(pdata->record_size))
+       if (pdata->record_size && !is_power_of_2(pdata->record_size))
                pdata->record_size = rounddown_pow_of_two(pdata->record_size);
-       if (!is_power_of_2(pdata->console_size))
+       if (pdata->console_size && !is_power_of_2(pdata->console_size))
                pdata->console_size = rounddown_pow_of_two(pdata->console_size);
-       if (!is_power_of_2(pdata->ftrace_size))
+       if (pdata->ftrace_size && !is_power_of_2(pdata->ftrace_size))
                pdata->ftrace_size = rounddown_pow_of_two(pdata->ftrace_size);
 
        cxt->dump_read_cnt = 0;
-- 
1.7.9.5


-- 
Maxime


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