Patchwork [36/41] qemu-io: Fix memory leaks

login
register
mail settings
Submitter Kevin Wolf
Date July 17, 2012, 4 p.m.
Message ID <1342540838-9027-37-git-send-email-kwolf@redhat.com>
Download mbox | patch
Permalink /patch/171514/
State New
Headers show

Comments

Kevin Wolf - July 17, 2012, 4 p.m.
Almost all callers of create_iovec() forgot to destroy the qiov when the
request has completed.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
---
 qemu-io.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

Patch

diff --git a/qemu-io.c b/qemu-io.c
index 5882067..8f3b94b 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -670,6 +670,7 @@  static int readv_f(int argc, char **argv)
     print_report("read", &t2, offset, qiov.size, total, cnt, Cflag);
 
 out:
+    qemu_iovec_destroy(&qiov);
     qemu_io_free(buf);
     return 0;
 }
@@ -928,6 +929,7 @@  static int writev_f(int argc, char **argv)
     t2 = tsub(t2, t1);
     print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag);
 out:
+    qemu_iovec_destroy(&qiov);
     qemu_io_free(buf);
     return 0;
 }
@@ -1126,6 +1128,7 @@  static void aio_write_done(void *opaque, int ret)
                  ctx->qiov.size, 1, ctx->Cflag);
 out:
     qemu_io_free(ctx->buf);
+    qemu_iovec_destroy(&ctx->qiov);
     g_free(ctx);
 }
 
@@ -1166,6 +1169,7 @@  static void aio_read_done(void *opaque, int ret)
                  ctx->qiov.size, 1, ctx->Cflag);
 out:
     qemu_io_free(ctx->buf);
+    qemu_iovec_destroy(&ctx->qiov);
     g_free(ctx);
 }