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parisc: use non-racy method for proc entries creation

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Use proc_create() to make sure that ->proc_fops be setup before gluing PDE to
main tree.

Signed-off-by: Denis V. Lunev <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Grant Grundler <[email protected]>
Cc: Alexey Dobriyan <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Denis V. Lunev 2008-04-29 01:02:32 -07:00 • committed by Linus Torvalds
commit 0fd6894682
2 changed files with 10 additions and 18 deletions
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14
drivers/parisc/ccio-dma.c
View file

@ -1551,8 +1551,7 @@ static int __init ccio_probe(struct parisc_device *dev)
{
int i;
struct ioc *ioc, **ioc_p = &ioc_list;
struct proc_dir_entry *info_entry, *bitmap_entry;
ioc = kzalloc(sizeof(struct ioc), GFP_KERNEL);
if (ioc == NULL) {
printk(KERN_ERR MODULE_NAME ": memory allocation failure\n");
@ -1580,13 +1579,10 @@ static int __init ccio_probe(struct parisc_device *dev)
HBA_DATA(dev->dev.platform_data)->iommu = ioc;
if (ioc_count == 0) {
info_entry = create_proc_entry(MODULE_NAME, 0, proc_runway_root);
if (info_entry)
info_entry->proc_fops = &ccio_proc_info_fops;
bitmap_entry = create_proc_entry(MODULE_NAME"-bitmap", 0, proc_runway_root);
if (bitmap_entry)
bitmap_entry->proc_fops = &ccio_proc_bitmap_fops;
proc_create(MODULE_NAME, 0, proc_runway_root,
&ccio_proc_info_fops);
proc_create(MODULE_NAME"-bitmap", 0, proc_runway_root,
&ccio_proc_bitmap_fops);
}
ioc_count++;

14
drivers/parisc/sba_iommu.c
View file

@ -1895,7 +1895,9 @@ sba_driver_callback(struct parisc_device *dev)
int i;
char *version;
void __iomem *sba_addr = ioremap_nocache(dev->hpa.start, SBA_FUNC_SIZE);
struct proc_dir_entry *info_entry, *bitmap_entry, *root;
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *root;
#endif
sba_dump_ranges(sba_addr);
@ -1973,14 +1975,8 @@ sba_driver_callback(struct parisc_device *dev)
break;
}
info_entry = create_proc_entry("sba_iommu", 0, root);
bitmap_entry = create_proc_entry("sba_iommu-bitmap", 0, root);
if (info_entry)
info_entry->proc_fops = &sba_proc_fops;
if (bitmap_entry)
bitmap_entry->proc_fops = &sba_proc_bitmap_fops;
proc_create("sba_iommu", 0, root, &sba_proc_fops);
proc_create("sba_iommu-bitmap", 0, root, &sba_proc_bitmap_fops);
#endif
parisc_vmerge_boundary = IOVP_SIZE;