Re: [PATCH] UBI: Fix invalid vfree()

[Artem Bityutskiy]

On Mon, 2014-10-27 at 00:46 +0100, Richard Weinberger wrote:
> The logic of vfree()'ing vol->upd_buf is tied to vol->updating.
> In ubi_start_update() vol->updating is set long before vmalloc()'ing
> vol->upd_buf. If we encounter a write failure in ubi_start_update()
> before vmalloc() the UBI device release function will try to vfree()
> vol->upd_buf because vol->updating is set.
> Fix this by allocating vol->upd_buf directly after setting vol->updating.

Pushed, thanks!

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