From 271a15eabe094538d958dc68ccfc9c36b699247a Mon Sep 17 00:00:00 2001 From: David Howells Date: Fri, 12 Apr 2013 00:38:51 +0100 Subject: [PATCH] proc: Supply PDE attribute setting accessor functions Supply accessor functions to set attributes in proc_dir_entry structs. The following are supplied: proc_set_size() and proc_set_user(). Signed-off-by: David Howells Acked-by: Mauro Carvalho Chehab cc: linuxppc-dev@lists.ozlabs.org cc: linux-media@vger.kernel.org cc: netdev@vger.kernel.org cc: linux-wireless@vger.kernel.org cc: linux-pci@vger.kernel.org cc: netfilter-devel@vger.kernel.org cc: alsa-devel@alsa-project.org Signed-off-by: Al Viro --- arch/powerpc/kernel/proc_powerpc.c | 2 +- arch/powerpc/platforms/pseries/reconfig.c | 2 +- drivers/media/pci/ttpci/av7110_ir.c | 2 +- drivers/net/irda/vlsi_ir.c | 2 +- drivers/net/wireless/airo.c | 34 ++++++++--------------- drivers/pci/proc.c | 2 +- drivers/pnp/isapnp/proc.c | 2 +- drivers/zorro/proc.c | 2 +- fs/proc/generic.c | 13 +++++++++ include/linux/proc_fs.h | 5 ++++ kernel/configs.c | 2 +- kernel/profile.c | 2 +- net/netfilter/xt_recent.c | 3 +- sound/core/info.c | 2 +- 14 files changed, 40 insertions(+), 35 deletions(-) diff --git a/arch/powerpc/kernel/proc_powerpc.c b/arch/powerpc/kernel/proc_powerpc.c index 41d8ee9c82f1..feb8580fdc84 100644 --- a/arch/powerpc/kernel/proc_powerpc.c +++ b/arch/powerpc/kernel/proc_powerpc.c @@ -83,7 +83,7 @@ static int __init proc_ppc64_init(void) &page_map_fops, vdso_data); if (!pde) return 1; - pde->size = PAGE_SIZE; + proc_set_size(pde, PAGE_SIZE); return 0; } diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index d6491bd481d0..f93cdf55628c 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -452,7 +452,7 @@ static int proc_ppc64_create_ofdt(void) ent = proc_create("powerpc/ofdt", S_IWUSR, NULL, &ofdt_fops); if (ent) - ent->size = 0; + proc_set_size(ent, 0); return 0; } diff --git a/drivers/media/pci/ttpci/av7110_ir.c b/drivers/media/pci/ttpci/av7110_ir.c index eb822862a646..0e763a784e2b 100644 --- a/drivers/media/pci/ttpci/av7110_ir.c +++ b/drivers/media/pci/ttpci/av7110_ir.c @@ -375,7 +375,7 @@ int av7110_ir_init(struct av7110 *av7110) if (av_cnt == 1) { e = proc_create("av7110_ir", S_IWUSR, NULL, &av7110_ir_proc_fops); if (e) - e->size = 4 + 256 * sizeof(u16); + proc_set_size(e, 4 + 256 * sizeof(u16)); } tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir); diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index e22cd4e7017a..5f4758492e4c 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -1678,7 +1678,7 @@ vlsi_irda_probe(struct pci_dev *pdev, const struct pci_device_id *id) IRDA_WARNING("%s: failed to create proc entry\n", __func__); } else { - ent->size = 0; + proc_set_size(ent, 0); } idev->proc_entry = ent; } diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 66e398d4730d..21d02335b46f 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -4507,73 +4507,63 @@ static int setup_proc_entry( struct net_device *dev, airo_entry); if (!apriv->proc_entry) goto fail; - apriv->proc_entry->uid = proc_kuid; - apriv->proc_entry->gid = proc_kgid; + proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid); /* Setup the StatsDelta */ entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm, apriv->proc_entry, &proc_statsdelta_ops, dev); if (!entry) goto fail_stats_delta; - entry->uid = proc_kuid; - entry->gid = proc_kgid; + proc_set_user(entry, proc_kuid, proc_kgid); /* Setup the Stats */ entry = proc_create_data("Stats", S_IRUGO & proc_perm, apriv->proc_entry, &proc_stats_ops, dev); if (!entry) goto fail_stats; - entry->uid = proc_kuid; - entry->gid = proc_kgid; + proc_set_user(entry, proc_kuid, proc_kgid); /* Setup the Status */ entry = proc_create_data("Status", S_IRUGO & proc_perm, apriv->proc_entry, &proc_status_ops, dev); if (!entry) goto fail_status; - entry->uid = proc_kuid; - entry->gid = proc_kgid; + proc_set_user(entry, proc_kuid, proc_kgid); /* Setup the Config */ entry = proc_create_data("Config", proc_perm, apriv->proc_entry, &proc_config_ops, dev); if (!entry) goto fail_config; - entry->uid = proc_kuid; - entry->gid = proc_kgid; + proc_set_user(entry, proc_kuid, proc_kgid); /* Setup the SSID */ entry = proc_create_data("SSID", proc_perm, apriv->proc_entry, &proc_SSID_ops, dev); if (!entry) goto fail_ssid; - entry->uid = proc_kuid; - entry->gid = proc_kgid; + proc_set_user(entry, proc_kuid, proc_kgid); /* Setup the APList */ entry = proc_create_data("APList", proc_perm, apriv->proc_entry, &proc_APList_ops, dev); if (!entry) goto fail_aplist; - entry->uid = proc_kuid; - entry->gid = proc_kgid; + proc_set_user(entry, proc_kuid, proc_kgid); /* Setup the BSSList */ entry = proc_create_data("BSSList", proc_perm, apriv->proc_entry, &proc_BSSList_ops, dev); if (!entry) goto fail_bsslist; - entry->uid = proc_kuid; - entry->gid = proc_kgid; + proc_set_user(entry, proc_kuid, proc_kgid); /* Setup the WepKey */ entry = proc_create_data("WepKey", proc_perm, apriv->proc_entry, &proc_wepkey_ops, dev); if (!entry) goto fail_wepkey; - entry->uid = proc_kuid; - entry->gid = proc_kgid; - + proc_set_user(entry, proc_kuid, proc_kgid); return 0; fail_wepkey: @@ -5695,10 +5685,8 @@ static int __init airo_init_module( void ) airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL); - if (airo_entry) { - airo_entry->uid = proc_kuid; - airo_entry->gid = proc_kgid; - } + if (airo_entry) + proc_set_user(airo_entry, proc_kuid, proc_kgid); for (i = 0; i < 4 && io[i] && irq[i]; i++) { airo_print_info("", "Trying to configure ISA adapter at irq=%d " diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 12e4fb5824c1..7cde7c131fd0 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -419,7 +419,7 @@ int pci_proc_attach_device(struct pci_dev *dev) &proc_bus_pci_operations, dev); if (!e) return -ENOMEM; - e->size = dev->cfg_size; + proc_set_size(e, dev->cfg_size); dev->procent = e; return 0; diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c index af4d40affb79..2365ef37ae24 100644 --- a/drivers/pnp/isapnp/proc.c +++ b/drivers/pnp/isapnp/proc.c @@ -105,7 +105,7 @@ static int isapnp_proc_attach_device(struct pnp_dev *dev) &isapnp_proc_bus_file_operations, dev); if (!e) return -ENOMEM; - e->size = 256; + proc_set_size(e, 256); return 0; } diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c index 6d3a602c004b..1c15ee7456b6 100644 --- a/drivers/zorro/proc.c +++ b/drivers/zorro/proc.c @@ -139,7 +139,7 @@ static int __init zorro_proc_attach_device(unsigned int slot) &zorro_autocon[slot]); if (!entry) return -ENOMEM; - entry->size = sizeof(struct zorro_dev); + proc_set_size(entry, sizeof(struct zorro_dev)); return 0; } diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 1c07cadeb8db..5f6f6c38701f 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -498,6 +498,19 @@ out: return NULL; } EXPORT_SYMBOL(proc_create_data); + +void proc_set_size(struct proc_dir_entry *de, loff_t size) +{ + de->size = size; +} +EXPORT_SYMBOL(proc_set_size); + +void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) +{ + de->uid = uid; + de->gid = gid; +} +EXPORT_SYMBOL(proc_set_user); static void free_proc_entry(struct proc_dir_entry *de) { diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 805edacfc2fc..28a4d7e78803 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -130,6 +130,9 @@ static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode, extern struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name, struct proc_dir_entry *parent); +extern void proc_set_size(struct proc_dir_entry *, loff_t); +extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t); + extern struct file *proc_ns_fget(int fd); extern bool proc_ns_inode(struct inode *inode); @@ -158,6 +161,8 @@ static inline struct proc_dir_entry *proc_mkdir(const char *name, struct proc_dir_entry *parent) {return NULL;} static inline struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode, struct proc_dir_entry *parent) { return NULL; } +static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {} +static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {} struct tty_driver; static inline void proc_tty_register_driver(struct tty_driver *driver) {}; diff --git a/kernel/configs.c b/kernel/configs.c index 42e8fa075eed..c18b1f1ae515 100644 --- a/kernel/configs.c +++ b/kernel/configs.c @@ -79,7 +79,7 @@ static int __init ikconfig_init(void) if (!entry) return -ENOMEM; - entry->size = kernel_config_data_size; + proc_set_size(entry, kernel_config_data_size); return 0; } diff --git a/kernel/profile.c b/kernel/profile.c index 524ce5e29d3f..0bf400737660 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -600,7 +600,7 @@ int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */ NULL, &proc_profile_operations); if (!entry) return 0; - entry->size = (1+prof_len) * sizeof(atomic_t); + proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t)); hotcpu_notifier(profile_cpu_callback, 0); return 0; } diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c index 3db2d387cf52..1e657cf715c4 100644 --- a/net/netfilter/xt_recent.c +++ b/net/netfilter/xt_recent.c @@ -401,8 +401,7 @@ static int recent_mt_check(const struct xt_mtchk_param *par, ret = -ENOMEM; goto out; } - pde->uid = uid; - pde->gid = gid; + proc_set_user(pde, uid, gid); #endif spin_lock_bh(&recent_lock); list_add_tail(&t->list, &recent_net->tables); diff --git a/sound/core/info.c b/sound/core/info.c index 3aa88640808e..c7f41c3bbd5c 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -970,7 +970,7 @@ int snd_info_register(struct snd_info_entry * entry) mutex_unlock(&info_mutex); return -ENOMEM; } - p->size = entry->size; + proc_set_size(p, entry->size); } entry->p = p; if (entry->parent) -- 2.30.2