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| author | Denis V. Lunev <den@openvz.org> | 2008-04-29 01:02:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-29 08:06:21 -0700 |
| commit | 659f865ea65a60564ce00a0c571099d1fa55e8e3 (patch) | |
| tree | a585a6e0f715cf37a6c80ec3a08db3104194cd7c /drivers/zorro | |
| parent | 7bf4e6d3e948e38893c718fa9c5bd0dfbfa49670 (diff) | |
| download | lwn-659f865ea65a60564ce00a0c571099d1fa55e8e3.tar.gz lwn-659f865ea65a60564ce00a0c571099d1fa55e8e3.zip | |
zorro: use non-racy method for proc entries creation
Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.
Add correct ->owner to proc_fops to fix reading/module unloading race.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/zorro')
| -rw-r--r-- | drivers/zorro/proc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c index 1b4317d7d7aa..099b6fb5b5cb 100644 --- a/drivers/zorro/proc.c +++ b/drivers/zorro/proc.c @@ -77,6 +77,7 @@ proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t * } static const struct file_operations proc_bus_zorro_operations = { + .owner = THIS_MODULE, .llseek = proc_bus_zorro_lseek, .read = proc_bus_zorro_read, }; @@ -136,11 +137,11 @@ static int __init zorro_proc_attach_device(u_int slot) char name[4]; sprintf(name, "%02x", slot); - entry = create_proc_entry(name, 0, proc_bus_zorro_dir); + entry = proc_create_data(name, 0, proc_bus_zorro_dir, + &proc_bus_zorro_operations, + &zorro_autocon[slot]); if (!entry) return -ENOMEM; - entry->proc_fops = &proc_bus_zorro_operations; - entry->data = &zorro_autocon[slot]; entry->size = sizeof(struct zorro_dev); return 0; } |