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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>
This commit is contained in:
Christian Engelmayer 2009-06-14 00:05:26 +02:00 committed by J. Bruce Fields
parent e4636d535e
commit 59fb30660b
1 changed files with 4 additions and 4 deletions
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8
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
View File

@ -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,