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| author | Pavel Emelyanov <xemul@openvz.org> | 2008-11-15 01:51:45 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-15 01:51:45 +0300 |
| commit | 5421ae0153b4ba0469967cfd8de96144e3bf3979 (patch) | |
| tree | 99a47894d513e8726cc96b5eff26b16adfc619b9 /net/core/scm.c | |
| parent | d8c3e23d06c1020f38b7b6290135a9522a2e3052 (diff) | |
| download | linux-5421ae0153b4ba0469967cfd8de96144e3bf3979.tar.xz | |
scm: fix scm_fp_list->list initialization made in wrong place
This is the next page of the scm recursion story (the commit
f8d570a4 net: Fix recursive descent in __scm_destroy()).
In function scm_fp_dup(), the INIT_LIST_HEAD(&fpl->list) of newly
created fpl is done *before* the subsequent memcpy from the old
structure and thus the freshly initialized list is overwritten.
But that's OK, since this initialization is not required at all,
since the fpl->list is list_add-ed at the destruction time in any
case (and is unused in other code), so I propose to drop both
initializations, rather than moving it after the memcpy.
Please, correct me if I miss something significant.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/scm.c')
| -rw-r--r-- | net/core/scm.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/net/core/scm.c b/net/core/scm.c index ab242cc1acca..b12303dd39d9 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -75,7 +75,6 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp) if (!fpl) return -ENOMEM; *fplp = fpl; - INIT_LIST_HEAD(&fpl->list); fpl->count = 0; } fpp = &fpl->fp[fpl->count]; @@ -301,7 +300,6 @@ struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl) new_fpl = kmalloc(sizeof(*fpl), GFP_KERNEL); if (new_fpl) { - INIT_LIST_HEAD(&new_fpl->list); for (i=fpl->count-1; i>=0; i--) get_file(fpl->fp[i]); memcpy(new_fpl, fpl, sizeof(*fpl)); |