[PATCH 1/2] nanddump: verify that start address is page aligned
Baruch Siach
baruch at tkos.co.il
Tue Oct 12 04:23:54 EDT 2010
Make nanddump consistent with nandwrite, which does not accept non page aligned
start addresses. Thus, non page aligned dumps are useless.
Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
nanddump.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/nanddump.c b/nanddump.c
index 0fdf736..d6d1352 100644
--- a/nanddump.c
+++ b/nanddump.c
@@ -377,6 +377,12 @@ int main(int argc, char * const argv[])
}
/* Initialize start/end addresses and block size */
+ if (start_addr & (meminfo.writesize - 1)) {
+ fprintf(stderr, "The start address is not page-aligned !\n"
+ "The pagesize of this NAND Flash is 0x%x.\n",
+ meminfo.writesize);
+ goto closeall;
+ }
if (length)
end_addr = start_addr + length;
if (!length || end_addr > meminfo.size)
--
1.7.1
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