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Use NULL rather than 0 to invalidate a pointer.

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Rather than duplicating the LLE_FREE_LOCKED() macro code in LLE_FREE(),
call it directly (like we do for the RT_* macros).

Sponsored by:	ISPsystem [1]
Reviewed by:	julian [1]
MFC After:	1 week

[1] Early 2010.
This commit is contained in:
Bjoern A. Zeeb 2010-12-31 21:57:54 +00:00
parent f95308351b
commit 962be6dfb3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=216859
1 changed files with 2 additions and 9 deletions
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11
sys/net/if_llatbl.h
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@ -116,19 +116,12 @@ struct llentry {
LLE_WUNLOCK(lle); \
} \
/* guard against invalid refs */ \
lle = 0; \
lle = NULL; \
} while (0)
#define LLE_FREE(lle) do { \
LLE_WLOCK(lle); \
if ((lle)->lle_refcnt <= 1) \
(lle)->lle_tbl->llt_free((lle)->lle_tbl, (lle));\
else { \
(lle)->lle_refcnt--; \
LLE_WUNLOCK(lle); \
} \
/* guard against invalid refs */ \
lle = NULL; \
LLE_FREE_LOCKED(lle); \
} while (0)