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| author | David S. Miller <davem@davemloft.net> | 2012-06-16 02:51:55 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-06-16 02:51:55 +0400 |
| commit | 7e52b33bd50faa866bc3e6e97e68438bc5e52251 (patch) | |
| tree | 46e68adf23f4f170a0eb5045c33a76234de6cf92 /drivers/mtd/ubi/wl.c | |
| parent | 91c8028c95a468da9c0aafd2d91cf24e27784206 (diff) | |
| parent | 2a0c451ade8e1783c5d453948289e4a978d417c9 (diff) | |
| download | linux-7e52b33bd50faa866bc3e6e97e68438bc5e52251.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
net/ipv6/route.c
This deals with a merge conflict between the net-next addition of the
inetpeer network namespace ops, and Thomas Graf's bug fix in
2a0c451ade8e1783c5d453948289e4a978d417c9 which makes sure we don't
register /proc/net/ipv6_route before it is actually safe to do so.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/mtd/ubi/wl.c')
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 9df100a4ec38..b6be644e7b85 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1262,11 +1262,11 @@ int ubi_wl_flush(struct ubi_device *ubi, int vol_id, int lnum) dbg_wl("flush pending work for LEB %d:%d (%d pending works)", vol_id, lnum, ubi->works_count); - down_write(&ubi->work_sem); while (found) { struct ubi_work *wrk; found = 0; + down_read(&ubi->work_sem); spin_lock(&ubi->wl_lock); list_for_each_entry(wrk, &ubi->works, list) { if ((vol_id == UBI_ALL || wrk->vol_id == vol_id) && @@ -1277,18 +1277,27 @@ int ubi_wl_flush(struct ubi_device *ubi, int vol_id, int lnum) spin_unlock(&ubi->wl_lock); err = wrk->func(ubi, wrk, 0); - if (err) - goto out; + if (err) { + up_read(&ubi->work_sem); + return err; + } + spin_lock(&ubi->wl_lock); found = 1; break; } } spin_unlock(&ubi->wl_lock); + up_read(&ubi->work_sem); } -out: + /* + * Make sure all the works which have been done in parallel are + * finished. + */ + down_write(&ubi->work_sem); up_write(&ubi->work_sem); + return err; } |