forked from Minki/linux
1a31b20cd8
Since fastmap we gained do_sync_erase(). This function can return an error
and its error handling isn't obvious. First the memory allocation for
struct ubi_work can fail and as such struct ubi_wl_entry is leaked.
However if the memory allocation succeeds then the tail function takes
care of the struct ubi_wl_entry. A free here could result in a double
free.
To make the error handling simpler, I split the tail function into one
piece which does the work and another which frees the struct ubi_work
which is passed as argument. As result do_sync_erase() can keep the
struct on stack and we get rid of one error source.
Cc: <stable@vger.kernel.org>
Fixes:
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|---|---|---|
| .. | ||
| attach.c | ||
| block.c | ||
| build.c | ||
| cdev.c | ||
| debug.c | ||
| debug.h | ||
| eba.c | ||
| fastmap-wl.c | ||
| fastmap.c | ||
| gluebi.c | ||
| io.c | ||
| kapi.c | ||
| Kconfig | ||
| Makefile | ||
| misc.c | ||
| ubi-media.h | ||
| ubi.h | ||
| upd.c | ||
| vmt.c | ||
| vtbl.c | ||
| wl.c | ||
| wl.h | ||