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| author | Christian Engelmayer <christian.engelmayer@frequentis.com> | 2009-06-14 00:05:26 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-06-15 19:34:32 -0700 |
| commit | 59fb30660be3f3ead54b3850c401d462449caaaa (patch) | |
| tree | d052746d89590b44b854ff2a2fc1dfa7d816040b /net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | |
| parent | e4636d535e32768c8c500641ddb144f56e3dc5c0 (diff) | |
| download | lwn-59fb30660be3f3ead54b3850c401d462449caaaa.tar.gz lwn-59fb30660be3f3ead54b3850c401d462449caaaa.zip | |
sunrpc: potential memory leak in function rdma_read_xdr
In case the check on ch_count fails the cleanup path is skipped and the
previously allocated memory 'rpl_map', 'chl_map' is not freed.
Reported by Coverity.
Signed-off-by: Christian Engelmayer <christian.engelmayer@frequentis.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_recvfrom.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index 42a6f9f20285..9e884383134f 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -397,14 +397,14 @@ static int rdma_read_xdr(struct svcxprt_rdma *xprt, if (!ch) return 0; - /* Allocate temporary reply and chunk maps */ - rpl_map = svc_rdma_get_req_map(); - chl_map = svc_rdma_get_req_map(); - svc_rdma_rcl_chunk_counts(ch, &ch_count, &byte_count); if (ch_count > RPCSVC_MAXPAGES) return -EINVAL; + /* Allocate temporary reply and chunk maps */ + rpl_map = svc_rdma_get_req_map(); + chl_map = svc_rdma_get_req_map(); + if (!xprt->sc_frmr_pg_list_len) sge_count = map_read_chunks(xprt, rqstp, hdr_ctxt, rmsgp, rpl_map, chl_map, ch_count, |