csjp 2006-01-20 05:35:28 UTC
FreeBSD src repository
Modified files:
sys/netinet ip_fw2.c
Log:
- Change the return type for init_tables from void to int so we can propagate
errors from rn_inithead back to the ipfw initialization function.
- Check return value of rn_inithead for failure, if table allocation has
failed for any reason, free up any tables we have created and return ENOMEM
- In ipfw_init check the return value of init_tables and free up any mutexes
or
UMA zones which may have been created.
- Assert that the supplied table is not NULL before attempting to dereference.
This fixes panics which were a result of invalid memory accesses due to failed
table allocation. This is an issue mainly because the R_Zalloc function is a
malloc(M_NOWAIT) wrapper, thus making it possible for allocations to fail.
Found by: Coverity Prevent (tm)
Coverity ID: CID79
MFC after: 1 week
Revision Changes Path
1.123 +25 -10 src/sys/netinet/ip_fw2.c
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