diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-08-21 12:17:34 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-06 13:29:11 -0700 |
| commit | 43f5e46c8e74046a969a3811d7760d1988a8f4bf (patch) | |
| tree | 1d4f49197feaf0cd667703fe930c15da4e81f566 | |
| parent | b49c32ba2ca3b51ddbb863ff139adca6b85b7543 (diff) | |
vme: vme_ca91cx42.c: use list_for_each_safe() when delete list items
Since we will be removing items off the list using list_del() we need
to use a safer version of the list_for_each() macro aptly named
list_for_each_safe(). We should use the safe macro if the loop
involves deletions of items.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/vme/bridges/vme_ca91cx42.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c index e0df92ec44bd..1425d22cf956 100644 --- a/drivers/vme/bridges/vme_ca91cx42.c +++ b/drivers/vme/bridges/vme_ca91cx42.c @@ -1603,7 +1603,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id) { int retval, i; u32 data; - struct list_head *pos = NULL; + struct list_head *pos = NULL, *n; struct vme_bridge *ca91cx42_bridge; struct ca91cx42_driver *ca91cx42_device; struct vme_master_resource *master_image; @@ -1821,28 +1821,28 @@ err_reg: ca91cx42_crcsr_exit(ca91cx42_bridge, pdev); err_lm: /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->lm_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->lm_resources) { lm = list_entry(pos, struct vme_lm_resource, list); list_del(pos); kfree(lm); } err_dma: /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->dma_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->dma_resources) { dma_ctrlr = list_entry(pos, struct vme_dma_resource, list); list_del(pos); kfree(dma_ctrlr); } err_slave: /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->slave_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->slave_resources) { slave_image = list_entry(pos, struct vme_slave_resource, list); list_del(pos); kfree(slave_image); } err_master: /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->master_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->master_resources) { master_image = list_entry(pos, struct vme_master_resource, list); list_del(pos); @@ -1868,7 +1868,7 @@ err_struct: static void ca91cx42_remove(struct pci_dev *pdev) { - struct list_head *pos = NULL; + struct list_head *pos = NULL, *n; struct vme_master_resource *master_image; struct vme_slave_resource *slave_image; struct vme_dma_resource *dma_ctrlr; @@ -1905,28 +1905,28 @@ static void ca91cx42_remove(struct pci_dev *pdev) ca91cx42_crcsr_exit(ca91cx42_bridge, pdev); /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->lm_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->lm_resources) { lm = list_entry(pos, struct vme_lm_resource, list); list_del(pos); kfree(lm); } /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->dma_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->dma_resources) { dma_ctrlr = list_entry(pos, struct vme_dma_resource, list); list_del(pos); kfree(dma_ctrlr); } /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->slave_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->slave_resources) { slave_image = list_entry(pos, struct vme_slave_resource, list); list_del(pos); kfree(slave_image); } /* resources are stored in link list */ - list_for_each(pos, &ca91cx42_bridge->master_resources) { + list_for_each_safe(pos, n, &ca91cx42_bridge->master_resources) { master_image = list_entry(pos, struct vme_master_resource, list); list_del(pos); |