diff options
Diffstat (limited to 'tools/env')
| -rw-r--r-- | tools/env/fw_env.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index 299e0c9608..2861656183 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -473,6 +473,7 @@ int fw_setenv(int argc, char *argv[], struct env_opts *opts) int i; size_t len; char *name, **valv; + char *oldval; char *value = NULL; int valc; int ret; @@ -507,11 +508,13 @@ int fw_setenv(int argc, char *argv[], struct env_opts *opts) if (value) value[len - 1] = ' '; + oldval = value; value = realloc(value, len + val_len + 1); if (!value) { fprintf(stderr, "Cannot malloc %zu bytes: %s\n", len, strerror(errno)); + free(oldval); return -1; } |