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-rw-r--r--src/afc.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/afc.c b/src/afc.c
index b5203f1..b305859 100644
--- a/src/afc.c
+++ b/src/afc.c
@@ -616,6 +616,9 @@ idevice_error_t
afc_file_open(afc_client_t client, const char *filename,
afc_file_mode_t file_mode, uint64_t *handle)
{
+ if (!client || !client->parent || !client->afc_packet)
+ return AFC_E_INVALID_ARG;
+
uint64_t file_mode_loc = htole64(file_mode);
uint32_t bytes = 0;
char *data = (char *) malloc(sizeof(char) * (8 + strlen(filename) + 1));
@@ -624,9 +627,6 @@ afc_file_open(afc_client_t client, const char *filename,
/* set handle to 0 so in case an error occurs, the handle is invalid */
*handle = 0;
- if (!client || !client->parent || !client->afc_packet)
- return AFC_E_INVALID_ARG;
-
afc_lock(client);
/* Send command */
@@ -642,6 +642,7 @@ afc_file_open(afc_client_t client, const char *filename,
return AFC_E_NOT_ENOUGH_DATA;
}
/* Receive the data */
+ data = NULL;
ret = afc_receive_data(client, &data, &bytes);
if ((ret == AFC_E_SUCCESS) && (bytes > 0) && data) {
afc_unlock(client);
@@ -651,6 +652,8 @@ afc_file_open(afc_client_t client, const char *filename,
free(data);
return ret;
}
+ /* in case memory was allocated but no data received or an error occurred */
+ free(data);
debug_info("Didn't get any further data");