diff options
| -rw-r--r-- | arch/mips/bcm47xx/nvram.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c index dee1c32c0b65..95d028ca6f8a 100644 --- a/arch/mips/bcm47xx/nvram.c +++ b/arch/mips/bcm47xx/nvram.c @@ -171,7 +171,7 @@ static int nvram_init(void) int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len) { char *var, *value, *end, *eq; - int data_left, err; + int err; if (!name) return -EINVAL; @@ -184,19 +184,16 @@ int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len) /* Look for name=value and return value */ var = &nvram_buf[sizeof(struct nvram_header)]; - end = nvram_buf + sizeof(nvram_buf) - 2; - end[0] = '\0'; - end[1] = '\0'; - for (; *var; var = value + strlen(value) + 1) { - data_left = end - var; - - eq = strnchr(var, data_left, '='); + end = nvram_buf + sizeof(nvram_buf); + while (var < end && *var) { + eq = strchr(var, '='); if (!eq) break; value = eq + 1; if (eq - var == strlen(name) && strncmp(var, name, eq - var) == 0) return snprintf(val, val_len, "%s", value); + var = value + strlen(value) + 1; } return -ENOENT; } |