[PATCH 04/28] proc: Supply PDE attribute setting accessor functions [RFC]
From: David Howells <dhowells@redhat.com>
Date: 2013-04-16 18:26:06
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 <dhowells@redhat.com> cc: <redacted> cc: <redacted> cc: <redacted> cc: <redacted> cc: <redacted> cc: <redacted> cc: <redacted> --- 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 +- 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 +- 12 files changed, 38 insertions(+), 33 deletions(-)
diff --git a/arch/powerpc/kernel/proc_powerpc.c b/arch/powerpc/kernel/proc_powerpc.c
index 41d8ee9..feb8580 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 d6491bd..f93cdf5 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 eb82286..0e763a7 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 e22cd4e..5f47584 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 66e398d..21d0233 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 12e4fb5..7cde7c1 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/fs/proc/generic.c b/fs/proc/generic.c
index 1c07cad..5f6f6c3 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 805edac..28a4d7e 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 42e8fa0..c18b1f1 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 524ce5e..0bf4007 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 3db2d38..1e657cf 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 3aa8864..c7f41c3 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)