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Diffstat (limited to 'sound/pci/asihpi/hpi6000.c')
-rw-r--r--sound/pci/asihpi/hpi6000.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/pci/asihpi/hpi6000.c b/sound/pci/asihpi/hpi6000.c
index 2414d7a2239d..2d6364825d4d 100644
--- a/sound/pci/asihpi/hpi6000.c
+++ b/sound/pci/asihpi/hpi6000.c
@@ -47,7 +47,7 @@
/* operational/messaging errors */
#define HPI6000_ERROR_MSG_RESP_IDLE_TIMEOUT 901
-
+#define HPI6000_ERROR_RESP_GET_LEN 902
#define HPI6000_ERROR_MSG_RESP_GET_RESP_ACK 903
#define HPI6000_ERROR_MSG_GET_ADR 904
#define HPI6000_ERROR_RESP_GET_ADR 905
@@ -1365,7 +1365,10 @@ static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao,
length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
} while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout);
if (!timeout)
- length = sizeof(struct hpi_response);
+ return HPI6000_ERROR_RESP_GET_LEN;
+
+ if (length > phr->size)
+ return HPI_ERROR_RESPONSE_BUFFER_TOO_SMALL;
/* get the response */
p_data = (u32 *)phr;