From: Javier González Date: Wed, 3 May 2017 09:19:05 +0000 (+0200) Subject: lightnvm: fix bad back free on error path X-Git-Tag: MMI-PSA29.97-13-9~5662^2~14 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=507f7d68fe5c24973dcd6e48f011bdfbd2197f01;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git lightnvm: fix bad back free on error path Free memory correctly when an allocation fails on a loop and we free backwards previously successful allocations. Signed-off-by: Javier González Reviewed-by: Matias Bjørling Reviewed-by: Christoph Hellwig Signed-off-by: Jens Axboe --- diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 54a06c3a2b8c..6a4aa608ad95 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -74,7 +74,7 @@ static int nvm_reserve_luns(struct nvm_dev *dev, int lun_begin, int lun_end) return 0; err: - while (--i > lun_begin) + while (--i >= lun_begin) clear_bit(i, dev->lun_map); return -EBUSY; @@ -211,7 +211,7 @@ static struct nvm_tgt_dev *nvm_create_tgt_dev(struct nvm_dev *dev, return tgt_dev; err_ch: - while (--i > 0) + while (--i >= 0) kfree(dev_map->chnls[i].lun_offs); kfree(luns); err_luns: