QubesOS/qubes-linux-utils
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qrexec-lib: fix memory leak

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If xs_read returns pointer to empty string (len==0), then it was leaked.
This commit is contained in:
Marek Marczykowski-Górecki 2013-10-27 16:05:32 +01:00
parent c3ef1acb1a
commit 2739340559
1 changed files with 2 additions and 1 deletions
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3
qrexec-lib/txrx-vchan.c
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@ -199,9 +199,10 @@ char *peer_client_init(int dom, int port)
free(vec); free(vec);
len = 0; len = 0;
dummy = xs_read(xs, 0, devbuf, &len); dummy = xs_read(xs, 0, devbuf, &len);
if (dummy)
free(dummy);
} }
while (!dummy || !len); // wait for the server to create xenstore entries while (!dummy || !len); // wait for the server to create xenstore entries
free(dummy);
xs_daemon_close(xs); xs_daemon_close(xs);
// now client init should succeed; "while" is redundant // now client init should succeed; "while" is redundant