From 34e28bf35f7cc7758f87e6a2b82adf6ca186afdb Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Wed, 9 Dec 2009 16:31:41 +0200
Subject: ubiformat: check that min IO size is power of 2
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
ubi-utils/src/ubiformat.c | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'ubi-utils/src')
diff --git a/ubi-utils/src/ubiformat.c b/ubi-utils/src/ubiformat.c
index 681ea30..c87dfd0 100644
--- a/ubi-utils/src/ubiformat.c
+++ b/ubi-utils/src/ubiformat.c
@@ -721,6 +721,11 @@ int main(int argc, char * const argv[])
goto out_close_mtd;
}
+ if (!is_power_of_2(mtd.min_io_size)) {
+ errmsg("min. I/O size is %d, but should be power of 2");
+ goto out_close;
+ }
+
if (!mtd_info.sysfs_supported) {
/*
* Linux kernels older than 2.6.30 did not support sysfs
--
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