[PATCH] tools: ffs-aio-example: free memory upon failure

From: Wei Jiangang
Date: Mon Nov 09 2015 - 01:17:09 EST


Free buffer to avoid memory leak upon failure occurs.

Signed-off-by: Wei Jiangang <weijg.fnst@xxxxxxxxxxxxxx>
---
tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c | 4 ++++
tools/usb/ffs-aio-example/simple/device_app/aio_simple.c | 4 ++++
2 files changed, 8 insertions(+)

diff --git a/tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c b/tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c
index aaca1f44e788..3eb1a92baacf 100644
--- a/tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c
+++ b/tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c
@@ -263,20 +263,24 @@ int main(int argc, char *argv[])
sprintf(ep_path, "%s/ep0", argv[1]);
ep0 = open(ep_path, O_RDWR);
if (ep0 < 0) {
+ free(ep_path);
perror("unable to open ep0");
return 1;
}
if (write(ep0, &descriptors, sizeof(descriptors)) < 0) {
+ free(ep_path);
perror("unable do write descriptors");
return 1;
}
if (write(ep0, &strings, sizeof(strings)) < 0) {
+ free(ep_path);
perror("unable to write strings");
return 1;
}
sprintf(ep_path, "%s/ep1", argv[1]);
ep1 = open(ep_path, O_RDWR);
if (ep1 < 0) {
+ free(ep_path);
perror("unable to open ep1");
return 1;
}
diff --git a/tools/usb/ffs-aio-example/simple/device_app/aio_simple.c b/tools/usb/ffs-aio-example/simple/device_app/aio_simple.c
index 1f44a29818bf..ac96892ca5d2 100644
--- a/tools/usb/ffs-aio-example/simple/device_app/aio_simple.c
+++ b/tools/usb/ffs-aio-example/simple/device_app/aio_simple.c
@@ -234,14 +234,17 @@ int main(int argc, char *argv[])
sprintf(ep_path, "%s/ep0", argv[1]);
ep0 = open(ep_path, O_RDWR);
if (ep0 < 0) {
+ free(ep_path);
perror("unable to open ep0");
return 1;
}
if (write(ep0, &descriptors, sizeof(descriptors)) < 0) {
+ free(ep_path);
perror("unable do write descriptors");
return 1;
}
if (write(ep0, &strings, sizeof(strings)) < 0) {
+ free(ep_path);
perror("unable to write strings");
return 1;
}
@@ -249,6 +252,7 @@ int main(int argc, char *argv[])
sprintf(ep_path, "%s/ep%d", argv[1], i+1);
ep[i] = open(ep_path, O_RDWR);
if (ep[i] < 0) {
+ free(ep_path);
printf("unable to open ep%d: %s\n", i+1,
strerror(errno));
return 1;
--
1.9.3

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