diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/arch_topology.c | 2 | ||||
| -rw-r--r-- | drivers/base/core.c | 2 | ||||
| -rw-r--r-- | drivers/base/driver.c | 6 | ||||
| -rw-r--r-- | drivers/base/regmap/regmap-spi.c | 8 |
4 files changed, 16 insertions, 2 deletions
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index eaa1b8d2d39d..46cbe4471e78 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -724,7 +724,7 @@ const struct cpumask *cpu_clustergroup_mask(int cpu) */ if (cpumask_subset(cpu_coregroup_mask(cpu), &cpu_topology[cpu].cluster_sibling)) - return get_cpu_mask(cpu); + return topology_sibling_cpumask(cpu); return &cpu_topology[cpu].cluster_sibling; } diff --git a/drivers/base/core.c b/drivers/base/core.c index 753e7cca0f40..5fb4bc51dd8b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1625,7 +1625,7 @@ static int __init fw_devlink_setup(char *arg) } early_param("fw_devlink", fw_devlink_setup); -static bool fw_devlink_strict = true; +static bool fw_devlink_strict; static int __init fw_devlink_strict_setup(char *arg) { return strtobool(arg, &fw_devlink_strict); diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 15a75afe6b84..676b6275d5b5 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -63,6 +63,12 @@ int driver_set_override(struct device *dev, const char **override, if (len >= (PAGE_SIZE - 1)) return -EINVAL; + /* + * Compute the real length of the string in case userspace sends us a + * bunch of \0 characters like python likes to do. + */ + len = strlen(s); + if (!len) { /* Empty string passed - clear override */ device_lock(dev); diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c index 719323bc6c7f..37ab23a9d034 100644 --- a/drivers/base/regmap/regmap-spi.c +++ b/drivers/base/regmap/regmap-spi.c @@ -113,6 +113,7 @@ static const struct regmap_bus *regmap_get_spi_bus(struct spi_device *spi, const struct regmap_config *config) { size_t max_size = spi_max_transfer_size(spi); + size_t max_msg_size, reg_reserve_size; struct regmap_bus *bus; if (max_size != SIZE_MAX) { @@ -120,9 +121,16 @@ static const struct regmap_bus *regmap_get_spi_bus(struct spi_device *spi, if (!bus) return ERR_PTR(-ENOMEM); + max_msg_size = spi_max_message_size(spi); + reg_reserve_size = config->reg_bits / BITS_PER_BYTE + + config->pad_bits / BITS_PER_BYTE; + if (max_size + reg_reserve_size > max_msg_size) + max_size -= reg_reserve_size; + bus->free_on_exit = true; bus->max_raw_read = max_size; bus->max_raw_write = max_size; + return bus; } |