[PATCH v2] tools: ffs-aio-example: clean up upon failure
From: Wei Jiangang
Date: Thu Nov 19 2015 - 04:27:48 EST
Free buffer to avoid memory leak and close fd upon failure occurs.
Signed-off-by: Wei Jiangang <weijg.fnst@xxxxxxxxxxxxxx>
---
tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c | 6 ++++++
tools/usb/ffs-aio-example/simple/device_app/aio_simple.c | 6 ++++++
2 files changed, 12 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..c08b1b0f7a6b 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 +263,26 @@ 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) {
+ close(ep0);
+ free(ep_path);
perror("unable do write descriptors");
return 1;
}
if (write(ep0, &strings, sizeof(strings)) < 0) {
+ close(ep0);
+ 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..9ff657ed0bec 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 +234,19 @@ 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) {
+ close(ep0);
+ free(ep_path);
perror("unable do write descriptors");
return 1;
}
if (write(ep0, &strings, sizeof(strings)) < 0) {
+ close(ep0);
+ free(ep_path);
perror("unable to write strings");
return 1;
}
@@ -249,6 +254,7 @@ 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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