Messages in this thread | | | Date | Thu, 28 Jul 2011 18:39:44 +0800 | Subject | Re: [PATCH] lib/genalloc: fix gen_pool_virt_to_phys locking | From | real mz <> |
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this fix seems already on next tree
http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=blob;f=lib/genalloc.c;h=f352cc42f4f8a58b8e4c8304de32cb31b4e29b67;hb=HEAD
On Tue, Jul 26, 2011 at 3:19 PM, Leo Yan <leoy@marvell.com> wrote: > The func gen_pool_virt_to_phys will iterate the chunk list; > if find the correct chunk it should need release pool's lock. > > Signed-off-by: Leo Yan <leoy@marvell.com> > --- > lib/genalloc.c | 4 +++- > 1 files changed, 3 insertions(+), 1 deletions(-) > > diff --git a/lib/genalloc.c b/lib/genalloc.c > index 577ddf8..e625df5 100644 > --- a/lib/genalloc.c > +++ b/lib/genalloc.c > @@ -92,8 +92,10 @@ phys_addr_t gen_pool_virt_to_phys(struct gen_pool *pool, unsigned long addr) > list_for_each(_chunk, &pool->chunks) { > chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk); > > - if (addr >= chunk->start_addr && addr < chunk->end_addr) > + if (addr >= chunk->start_addr && addr < chunk->end_addr) { > + read_unlock(&pool->lock); > return chunk->phys_addr + addr - chunk->start_addr; > + } > } > read_unlock(&pool->lock); > > -- > 1.7.4.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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