do not free NULL if pipe allocation fails
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parent
05f7605789
commit
9694aad375
@ -616,7 +616,7 @@ netmap_get_pipe_na(struct nmreq *nmr, struct netmap_adapter **na, int create)
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sna = malloc(sizeof(*mna), M_DEVBUF, M_NOWAIT | M_ZERO);
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sna = malloc(sizeof(*mna), M_DEVBUF, M_NOWAIT | M_ZERO);
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if (sna == NULL) {
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if (sna == NULL) {
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error = ENOMEM;
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error = ENOMEM;
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goto free_mna;
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goto unregister_mna;
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}
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}
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/* most fields are the same, copy from master and then fix */
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/* most fields are the same, copy from master and then fix */
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*sna = *mna;
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*sna = *mna;
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@ -666,6 +666,8 @@ netmap_get_pipe_na(struct nmreq *nmr, struct netmap_adapter **na, int create)
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free_sna:
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free_sna:
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free(sna, M_DEVBUF);
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free(sna, M_DEVBUF);
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unregister_mna:
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netmap_pipe_remove(pna, mna);
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free_mna:
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free_mna:
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free(mna, M_DEVBUF);
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free(mna, M_DEVBUF);
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put_out:
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put_out:
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