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UBI: add a commentary about allocating VID header buffer on stack

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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2010-12-03 15:32:21 +02:00
parent e8cfe00943
commit 2fff570e7c
1 changed files with 7 additions and 0 deletions
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7
drivers/mtd/ubi/io.c
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@ -480,6 +480,13 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
size_t written;
loff_t addr;
uint32_t data = 0;
/*
* Note, we cannot generally define VID header buffers on stack,
* because of the way we deal with these buffers (see the header
* comment in this file). But we know this is a NOR-specific piece of
* code, so we can do this. But yes, this is error-prone and we should
* (pre-)allocate VID header buffer instead.
*/
struct ubi_vid_hdr vid_hdr;
/*