diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/ds1620.c | 2 | ||||
-rw-r--r-- | drivers/char/dtlk.c | 3 | ||||
-rw-r--r-- | drivers/char/hpet.c | 2 | ||||
-rw-r--r-- | drivers/char/hw_random/omap-rng.c | 1 | ||||
-rw-r--r-- | drivers/char/hw_random/stm32-rng.c | 9 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_dmi.c | 1 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_msghandler.c | 19 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_si_hardcode.c | 2 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_watchdog.c | 2 | ||||
-rw-r--r-- | drivers/char/pcmcia/cm4000_cs.c | 2 | ||||
-rw-r--r-- | drivers/char/pcmcia/scr24x_cs.c | 2 | ||||
-rw-r--r-- | drivers/char/tb0219.c | 2 | ||||
-rw-r--r-- | drivers/char/tpm/Kconfig | 1 |
13 files changed, 37 insertions, 11 deletions
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c index a5ecf6dae02e..373f549525fe 100644 --- a/drivers/char/ds1620.c +++ b/drivers/char/ds1620.c @@ -212,7 +212,7 @@ static void ds1620_read_state(struct therm *therm) static int ds1620_open(struct inode *inode, struct file *file) { - return nonseekable_open(inode, file); + return stream_open(inode, file); } static ssize_t diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c index f882460b5a44..4fed8fafa0f0 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -298,12 +298,11 @@ static int dtlk_open(struct inode *inode, struct file *file) { TRACE_TEXT("(dtlk_open"); - nonseekable_open(inode, file); switch (iminor(inode)) { case DTLK_MINOR: if (dtlk_busy) return -EBUSY; - return nonseekable_open(inode, file); + return stream_open(inode, file); default: return -ENXIO; diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index d0ad85900b79..3a1e6b3ccd10 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -973,6 +973,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data) if (ACPI_SUCCESS(status)) { hdp->hd_phys_address = addr.address.minimum; hdp->hd_address = ioremap(addr.address.minimum, addr.address.address_length); + if (!hdp->hd_address) + return AE_ERROR; if (hpet_is_known(hdp)) { iounmap(hdp->hd_address); diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index b65ff6962899..e9b6ac61fb7f 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -443,6 +443,7 @@ static int omap_rng_probe(struct platform_device *pdev) priv->rng.read = omap_rng_do_read; priv->rng.init = omap_rng_init; priv->rng.cleanup = omap_rng_cleanup; + priv->rng.quality = 900; priv->rng.priv = (unsigned long)priv; platform_set_drvdata(pdev, priv); diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c index 042860d97b15..0ef5b6a3f560 100644 --- a/drivers/char/hw_random/stm32-rng.c +++ b/drivers/char/hw_random/stm32-rng.c @@ -161,6 +161,7 @@ static int stm32_rng_probe(struct platform_device *ofdev) #endif priv->rng.read = stm32_rng_read, priv->rng.priv = (unsigned long) dev; + priv->rng.quality = 900; pm_runtime_set_autosuspend_delay(dev, 100); pm_runtime_use_autosuspend(dev); @@ -169,6 +170,13 @@ static int stm32_rng_probe(struct platform_device *ofdev) return devm_hwrng_register(dev, &priv->rng); } +static int stm32_rng_remove(struct platform_device *ofdev) +{ + pm_runtime_disable(&ofdev->dev); + + return 0; +} + #ifdef CONFIG_PM static int stm32_rng_runtime_suspend(struct device *dev) { @@ -210,6 +218,7 @@ static struct platform_driver stm32_rng_driver = { .of_match_table = stm32_rng_match, }, .probe = stm32_rng_probe, + .remove = stm32_rng_remove, }; module_platform_driver(stm32_rng_driver); diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c index ff0b199be472..f2411468f33f 100644 --- a/drivers/char/ipmi/ipmi_dmi.c +++ b/drivers/char/ipmi/ipmi_dmi.c @@ -66,7 +66,6 @@ static void __init dmi_add_platform_ipmi(unsigned long base_addr, return; } - memset(&p, 0, sizeof(p)); p.addr = base_addr; p.space = space; p.regspacing = offset; diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index e8ba67834746..00bf4b17edbf 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -214,6 +214,9 @@ struct ipmi_user { /* Does this interface receive IPMI events? */ bool gets_events; + + /* Free must run in process context for RCU cleanup. */ + struct work_struct remove_work; }; static struct ipmi_user *acquire_ipmi_user(struct ipmi_user *user, int *index) @@ -1157,6 +1160,15 @@ static int intf_err_seq(struct ipmi_smi *intf, return rv; } +static void free_user_work(struct work_struct *work) +{ + struct ipmi_user *user = container_of(work, struct ipmi_user, + remove_work); + + cleanup_srcu_struct(&user->release_barrier); + kfree(user); +} + int ipmi_create_user(unsigned int if_num, const struct ipmi_user_hndl *handler, void *handler_data, @@ -1200,6 +1212,8 @@ int ipmi_create_user(unsigned int if_num, goto out_kfree; found: + INIT_WORK(&new_user->remove_work, free_user_work); + rv = init_srcu_struct(&new_user->release_barrier); if (rv) goto out_kfree; @@ -1260,8 +1274,9 @@ EXPORT_SYMBOL(ipmi_get_smi_info); static void free_user(struct kref *ref) { struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount); - cleanup_srcu_struct(&user->release_barrier); - kfree(user); + + /* SRCU cleanup must happen in task context. */ + schedule_work(&user->remove_work); } static void _ipmi_destroy_user(struct ipmi_user *user) diff --git a/drivers/char/ipmi/ipmi_si_hardcode.c b/drivers/char/ipmi/ipmi_si_hardcode.c index 01946cad3d13..682221eebd66 100644 --- a/drivers/char/ipmi/ipmi_si_hardcode.c +++ b/drivers/char/ipmi/ipmi_si_hardcode.c @@ -118,6 +118,8 @@ void __init ipmi_hardcode_init(void) char *str; char *si_type[SI_MAX_PARMS]; + memset(si_type, 0, sizeof(si_type)); + /* Parse out the si_type string into its components. */ str = si_type_str; if (*str != '\0') { diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 2924a4bc4a32..74c6d1f34132 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -837,7 +837,7 @@ static int ipmi_open(struct inode *ino, struct file *filep) * first heartbeat. */ ipmi_start_timer_on_heartbeat = 1; - return nonseekable_open(ino, filep); + return stream_open(ino, filep); default: return (-ENODEV); diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 7a4eb86aedac..15bf585af5d3 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1682,7 +1682,7 @@ static int cmm_open(struct inode *inode, struct file *filp) link->open = 1; /* only one open per device */ DEBUGP(2, dev, "<- cmm_open\n"); - ret = nonseekable_open(inode, filp); + ret = stream_open(inode, filp); out: mutex_unlock(&cmm_mutex); return ret; diff --git a/drivers/char/pcmcia/scr24x_cs.c b/drivers/char/pcmcia/scr24x_cs.c index f6b43d9350f0..04b39c3596cc 100644 --- a/drivers/char/pcmcia/scr24x_cs.c +++ b/drivers/char/pcmcia/scr24x_cs.c @@ -92,7 +92,7 @@ static int scr24x_open(struct inode *inode, struct file *filp) kref_get(&dev->refcnt); filp->private_data = dev; - return nonseekable_open(inode, filp); + return stream_open(inode, filp); } static int scr24x_release(struct inode *inode, struct file *filp) diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c index 7c19d9b22785..e8614ea843e2 100644 --- a/drivers/char/tb0219.c +++ b/drivers/char/tb0219.c @@ -243,7 +243,7 @@ static int tanbac_tb0219_open(struct inode *inode, struct file *file) case 16 ... 23: case 32 ... 39: case 48 ... 55: - return nonseekable_open(inode, file); + return stream_open(inode, file); default: break; } diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index 536e55d3919f..f3e4bc490cf0 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -157,7 +157,6 @@ config TCG_CRB config TCG_VTPM_PROXY tristate "VTPM Proxy Interface" depends on TCG_TPM - select ANON_INODES ---help--- This driver proxies for an emulated TPM (vTPM) running in userspace. A device /dev/vtpmx is provided that creates a device pair |