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-rw-r--r--fs/pstore/ram.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 2b6ebbca3521..8741cea6253c 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -376,10 +376,14 @@ static int __devinit ramoops_probe(struct platform_device *pdev)
goto fail_out;
}
- pdata->mem_size = rounddown_pow_of_two(pdata->mem_size);
- pdata->record_size = rounddown_pow_of_two(pdata->record_size);
- pdata->console_size = rounddown_pow_of_two(pdata->console_size);
- pdata->ftrace_size = rounddown_pow_of_two(pdata->ftrace_size);
+ if (!is_power_of_2(pdata->mem_size))
+ pdata->mem_size = rounddown_pow_of_two(pdata->mem_size);
+ if (!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))
+ pdata->console_size = rounddown_pow_of_two(pdata->console_size);
+ if (!is_power_of_2(pdata->ftrace_size))
+ pdata->ftrace_size = rounddown_pow_of_two(pdata->ftrace_size);
cxt->dump_read_cnt = 0;
cxt->size = pdata->mem_size;