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

[Wei Jiangang]

Free buffer to avoid memory leak upon failure occurs.

Signed-off-by: Wei Jiangang <weijg.f...@cn.fujitsu.com>
---
 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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