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hw/9pfs: Fix potential memory leak and avoid reuse of freed memory 

The leak was reported by cppcheck.

Function proxy_init also calls g_free for ctx->fs_root.
Avoid reuse of this memory by setting ctx->fs_root to NULL.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Stefan Weil 2013-06-16 12:14:36 +02:00 committed by Michael Tokarev
parent d9cd4007d5
commit 80cba1b71e
1 changed files with 2 additions and 0 deletions
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2
hw/9pfs/virtio-9p-proxy.c
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@ -1153,10 +1153,12 @@ static int proxy_init(FsContext *ctx)
sock_id = atoi(ctx->fs_root);
if (sock_id < 0) {
fprintf(stderr, "socket descriptor not initialized\n");
g_free(proxy);
return -1;
}
}
g_free(ctx->fs_root);
ctx->fs_root = NULL;
proxy->in_iovec.iov_base = g_malloc(PROXY_MAX_IO_SZ + PROXY_HDR_SZ);
proxy->in_iovec.iov_len = PROXY_MAX_IO_SZ + PROXY_HDR_SZ;