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do not free NULL if pipe allocation fails

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This commit is contained in:
Luigi Rizzo 2015-07-19 18:05:49 +00:00
parent 05f7605789
commit 9694aad375
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=285697
1 changed files with 3 additions and 1 deletions
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4
sys/dev/netmap/netmap_pipe.c
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@ -616,7 +616,7 @@ netmap_get_pipe_na(struct nmreq *nmr, struct netmap_adapter **na, int create)
sna = malloc(sizeof(*mna), M_DEVBUF, M_NOWAIT | M_ZERO);
if (sna == NULL) {
error = ENOMEM;
goto free_mna;
goto unregister_mna;
}
/* most fields are the same, copy from master and then fix */
*sna = *mna;
@ -666,6 +666,8 @@ netmap_get_pipe_na(struct nmreq *nmr, struct netmap_adapter **na, int create)
free_sna:
free(sna, M_DEVBUF);
unregister_mna:
netmap_pipe_remove(pna, mna);
free_mna:
free(mna, M_DEVBUF);
put_out: