diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/futex/core.c | 2 | ||||
| -rw-r--r-- | kernel/printk/printk.c | 26 | ||||
| -rw-r--r-- | kernel/user.c | 2 |
3 files changed, 15 insertions, 15 deletions
diff --git a/kernel/futex/core.c b/kernel/futex/core.c index 1e78ef24321e..06a1f091be81 100644 --- a/kernel/futex/core.c +++ b/kernel/futex/core.c @@ -1150,7 +1150,7 @@ static int __init futex_init(void) unsigned int futex_shift; unsigned long i; -#if CONFIG_BASE_SMALL +#ifdef CONFIG_BASE_SMALL futex_hashsize = 16; #else futex_hashsize = roundup_pow_of_two(256 * num_possible_cpus()); diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index adf99c05adca..3160d287d4cf 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -178,9 +178,9 @@ static int __init control_devkmsg(char *str) * Set sysctl string accordingly: */ if (devkmsg_log == DEVKMSG_LOG_MASK_ON) - strcpy(devkmsg_log_str, "on"); + strscpy(devkmsg_log_str, "on"); else if (devkmsg_log == DEVKMSG_LOG_MASK_OFF) - strcpy(devkmsg_log_str, "off"); + strscpy(devkmsg_log_str, "off"); /* else "ratelimit" which is set by default. */ /* @@ -209,7 +209,7 @@ int devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write, return -EINVAL; old = devkmsg_log; - strncpy(old_str, devkmsg_log_str, DEVKMSG_STR_MAX_SIZE); + strscpy(old_str, devkmsg_log_str); } err = proc_dostring(table, write, buffer, lenp, ppos); @@ -227,7 +227,7 @@ int devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write, /* ... and restore old setting. */ devkmsg_log = old; - strncpy(devkmsg_log_str, old_str, DEVKMSG_STR_MAX_SIZE); + strscpy(devkmsg_log_str, old_str); return -EINVAL; } @@ -2506,22 +2506,22 @@ static int __init console_setup(char *str) /* * Decode str into name, index, options. */ - if (str[0] >= '0' && str[0] <= '9') { - strcpy(buf, "ttyS"); - strncpy(buf + 4, str, sizeof(buf) - 5); - } else { - strncpy(buf, str, sizeof(buf) - 1); - } - buf[sizeof(buf) - 1] = 0; + if (isdigit(str[0])) + scnprintf(buf, sizeof(buf), "ttyS%s", str); + else + strscpy(buf, str); + options = strchr(str, ','); if (options) *(options++) = 0; + #ifdef __sparc__ if (!strcmp(str, "ttya")) - strcpy(buf, "ttyS0"); + strscpy(buf, "ttyS0"); if (!strcmp(str, "ttyb")) - strcpy(buf, "ttyS1"); + strscpy(buf, "ttyS1"); #endif + for (s = buf; *s; s++) if (isdigit(*s) || *s == ',') break; diff --git a/kernel/user.c b/kernel/user.c index 03cedc366dc9..aa1162deafe4 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -88,7 +88,7 @@ EXPORT_SYMBOL_GPL(init_user_ns); * when changing user ID's (ie setuid() and friends). */ -#define UIDHASH_BITS (CONFIG_BASE_SMALL ? 3 : 7) +#define UIDHASH_BITS (IS_ENABLED(CONFIG_BASE_SMALL) ? 3 : 7) #define UIDHASH_SZ (1 << UIDHASH_BITS) #define UIDHASH_MASK (UIDHASH_SZ - 1) #define __uidhashfn(uid) (((uid >> UIDHASH_BITS) + uid) & UIDHASH_MASK) |