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| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-03-21 09:07:05 (GMT) |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-04-17 17:53:51 (GMT) |
| commit | b0afbbec4981417f79e05865a36e57abfc289002 (patch) | |
| tree | b0e14a643310de8e1232859f5b4af3effe3a7ea6 /drivers/mtd/nand/nandsim.c | |
| parent | 4226b510371efd9cdc628663527d36aee36054a9 (diff) | |
| download | linux-fsl-qoriq-b0afbbec4981417f79e05865a36e57abfc289002.tar.xz | |
[JFFS2] fix deadlock on error path
When the MTD driver returns write failure, the following deadlock
occurs:
We are in __jffs2_flush_wbuf(), we hold &c->wbuf_sem. Write failure.
jffs2_wbuf_recover()->jffs2_reserve_space_gc()->jffs2_do_reserve_space()
->jffs2_erase_pending_blocks()->jffs2_flash_read()
and it tries to lock &c->wbuf_sem again. Deadlock.
Reported-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd/nand/nandsim.c')
0 files changed, 0 insertions, 0 deletions