From: Lars-Peter Clausen <redacted>
Date: Tue, 3 Jul 2012 21:58:40 +0000 (+0200)
Subject: sr: fx2lafw: Fix potential leaks in acquisition_start error paths
X-Git-Tag: dsupstream~881
X-Git-Url: http://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=25f5d66a7752379abe454da0705df4ed15ce6426

sr: fx2lafw: Fix potential leaks in acquisition_start error paths

Call abort_acquisition if starting sampling fails in acquisition_start, this
will ensure that all already allocated resources are being freed again.

Signed-off-by: Lars-Peter Clausen <redacted>
---

diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c
index 11e41fff..59ad5e73 100644
--- a/hardware/fx2lafw/fx2lafw.c
+++ b/hardware/fx2lafw/fx2lafw.c
@@ -946,9 +946,9 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data)
 				2 | LIBUSB_ENDPOINT_IN, buf, size,
 				receive_transfer, ctx, timeout);
 		if (libusb_submit_transfer(transfer) != 0) {
-			/* TODO: Free them all. */
 			libusb_free_transfer(transfer);
 			g_free(buf);
+			abort_acquisition(ctx);
 			return SR_ERR;
 		}
 		ctx->transfers[i] = transfer;
@@ -976,6 +976,7 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data)
 
 	if ((ret = command_start_acquisition (ctx->usb->devhdl,
 		ctx->cur_samplerate, ctx->sample_wide)) != SR_OK) {
+		abort_acquisition(ctx);
 		return ret;
 	}