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| author | Alexander Tarasikov <alexander.tarasikov@gmail.com> | 2012-08-23 01:33:19 +0400 |
|---|---|---|
| committer | Alexander Tarasikov <alexander.tarasikov@gmail.com> | 2012-08-23 01:33:19 +0400 |
| commit | b11be643a3d129324aea655587a5b9d44932bd2b (patch) | |
| tree | 72e08b3c8153779682b9198bc7ce99661a2779d1 /samsung-ipc | |
| parent | bbea04f2a29cc1dcb5ec13079942f61cd673ba61 (diff) | |
| download | external_libsamsung-ipc-b11be643a3d129324aea655587a5b9d44932bd2b.zip external_libsamsung-ipc-b11be643a3d129324aea655587a5b9d44932bd2b.tar.gz external_libsamsung-ipc-b11be643a3d129324aea655587a5b9d44932bd2b.tar.bz2 | |
[xmm6260] add ipc error checks
Diffstat (limited to 'samsung-ipc')
| -rw-r--r-- | samsung-ipc/device/xmm6260/xmm6260_ipc.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/samsung-ipc/device/xmm6260/xmm6260_ipc.c b/samsung-ipc/device/xmm6260/xmm6260_ipc.c index c088e6e..7544fd3 100644 --- a/samsung-ipc/device/xmm6260/xmm6260_ipc.c +++ b/samsung-ipc/device/xmm6260/xmm6260_ipc.c @@ -100,12 +100,15 @@ int xmm6260_ipc_fmt_client_recv(struct ipc_client *client, struct ipc_message_in int num_read = 0; int left = 0; + if (!client || !response) + return -1; + wake_lock(FMT_LOCK_NAME); num_read = client->handlers->read(buf, IPC_MAX_XFER, client->handlers->read_data); - if (num_read < 0) { + if (num_read <= 0) { ipc_client_log(client, "read failed to read ipc length: %d", num_read); response->data = 0; response->length = 0; @@ -128,9 +131,11 @@ int xmm6260_ipc_fmt_client_recv(struct ipc_client *client, struct ipc_message_in response->index = ipc.index; response->type = ipc.type; response->length = ipc.length - sizeof(ipc); - - response->data = (unsigned char*)malloc(response->length); - memcpy(response->data, buf + sizeof(ipc), response->length); + + if (response->length > 0) { + response->data = (unsigned char*)malloc(response->length); + memcpy(response->data, buf + sizeof(ipc), response->length); + } ipc_client_log_recv(client, response, __func__); |