X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fparams.c;h=16f269e9ddc9b7d4ed129f98f0deac4965b87507;hb=60812a4a99b796d894d2522dc63cb0fafc3be25e;hp=4e57732fcfb41c03ddb38841d7c1876d5372e862;hpb=8e268f333012c62fc6a5a10e1e2a19c1c389853e;p=linux-2.6-omap-h63xx.git diff --git a/kernel/params.c b/kernel/params.c index 4e57732fcfb..16f269e9ddc 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -252,8 +252,9 @@ int param_get_bool(char *buffer, struct kernel_param *kp) int param_set_invbool(const char *val, struct kernel_param *kp) { int boolval, ret; - struct kernel_param dummy = { .arg = &boolval }; + struct kernel_param dummy; + dummy.arg = &boolval; ret = param_set_bool(val, &dummy); if (ret == 0) *(int *)kp->arg = !boolval; @@ -262,11 +263,7 @@ int param_set_invbool(const char *val, struct kernel_param *kp) int param_get_invbool(char *buffer, struct kernel_param *kp) { - int val; - struct kernel_param dummy = { .arg = &val }; - - val = !*(int *)kp->arg; - return param_get_bool(buffer, &dummy); + return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'N' : 'Y'); } /* We break the rule and mangle the string. */ @@ -325,7 +322,7 @@ static int param_array(const char *name, int param_array_set(const char *val, struct kernel_param *kp) { - struct kparam_array *arr = kp->arg; + const struct kparam_array *arr = kp->arr; unsigned int temp_num; return param_array(kp->name, val, 1, arr->max, arr->elem, @@ -335,7 +332,7 @@ int param_array_set(const char *val, struct kernel_param *kp) int param_array_get(char *buffer, struct kernel_param *kp) { int i, off, ret; - struct kparam_array *arr = kp->arg; + const struct kparam_array *arr = kp->arr; struct kernel_param p; p = *kp; @@ -354,7 +351,7 @@ int param_array_get(char *buffer, struct kernel_param *kp) int param_set_copystring(const char *val, struct kernel_param *kp) { - struct kparam_string *kps = kp->arg; + const struct kparam_string *kps = kp->str; if (!val) { printk(KERN_ERR "%s: missing param set value\n", kp->name); @@ -371,7 +368,7 @@ int param_set_copystring(const char *val, struct kernel_param *kp) int param_get_string(char *buffer, struct kernel_param *kp) { - struct kparam_string *kps = kp->arg; + const struct kparam_string *kps = kp->str; return strlcpy(buffer, kps->string, kps->maxlen); } @@ -595,11 +592,17 @@ static void __init param_sysfs_builtin(void) for (i=0; i < __stop___param - __start___param; i++) { char *dot; + size_t kplen; kp = &__start___param[i]; + kplen = strlen(kp->name); /* We do not handle args without periods. */ - dot = memchr(kp->name, '.', MAX_KBUILD_MODNAME); + if (kplen > MAX_KBUILD_MODNAME) { + DEBUGP("kernel parameter name is too long: %s\n", kp->name); + continue; + } + dot = memchr(kp->name, '.', kplen); if (!dot) { DEBUGP("couldn't find period in %s\n", kp->name); continue;