diff options
| -rw-r--r-- | arch/mips/bcm47xx/nvram.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c index 5e4ae042deb9..d805d8af415f 100644 --- a/arch/mips/bcm47xx/nvram.c +++ b/arch/mips/bcm47xx/nvram.c @@ -175,7 +175,7 @@ static int nvram_init(void) int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len) { char *var, *value, *end, *eq; - int err; + int data_left, err; if (!name) return -EINVAL; @@ -191,7 +191,9 @@ int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len) end = nvram_buf + sizeof(nvram_buf) - 2; end[0] = end[1] = '\0'; for (; *var; var = value + strlen(value) + 1) { - eq = strchr(var, '='); + data_left = end - var; + + eq = strnchr(var, data_left, '='); if (!eq) break; value = eq + 1; |