isdn: eicon: Return on error
When diva_strace_read_uint returns an error, return even from process_idi_event, because l2_state is uninitialized. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Karsten Keil <isdn@linux-pingi.de> Acked-by: Armin Schindler <armin@melware.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -959,8 +959,9 @@ static int process_idi_event (diva_strace_context_t* pLib,
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}
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if (!strncmp("State\\Layer2 No1", path, pVar->path_length)) {
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char* tmp = &pLib->lines[0].pInterface->Layer2[0];
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dword l2_state;
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diva_strace_read_uint (pVar, &l2_state);
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dword l2_state;
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if (diva_strace_read_uint(pVar, &l2_state))
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return -1;
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switch (l2_state) {
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case 0:
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