Author: ken Date: Wed Aug 23 17:52:49 2017 New Revision: 322819 URL: https://svnweb.freebsd.org/changeset/base/322819
Log: Fix a resource leak in an error case in camdd_buf_sg_create(). Submitted by: Coverity CID: 1341622 MFC after: 3 days Sponsored by: Spectra Logic Modified: head/usr.sbin/camdd/camdd.c Modified: head/usr.sbin/camdd/camdd.c ============================================================================== --- head/usr.sbin/camdd/camdd.c Wed Aug 23 17:47:57 2017 (r322818) +++ head/usr.sbin/camdd/camdd.c Wed Aug 23 17:52:49 2017 (r322819) @@ -824,6 +824,7 @@ camdd_buf_sg_create(struct camdd_buf *buf, int iovec, struct camdd_buf_data *data; uint8_t *extra_buf = NULL; size_t extra_buf_len = 0; + int extra_buf_attached = 0; int i, retval = 0; data = &buf->buf_type_spec.data; @@ -913,6 +914,7 @@ camdd_buf_sg_create(struct camdd_buf *buf, int iovec, data->iovec[i].iov_base = extra_buf; data->iovec[i].iov_len = extra_buf_len; } + extra_buf_attached = 1; i++; } if ((tmp_buf != NULL) || (i != data->sg_count)) { @@ -926,6 +928,14 @@ bailout: if (retval == 0) { *num_sectors_used = (data->fill_len + extra_buf_len) / sector_size; + } else if (extra_buf_attached == 0) { + /* + * If extra_buf isn't attached yet, we need to free it + * to avoid leaking. + */ + free(extra_buf); + data->extra_buf = 0; + data->sg_count--; } return (retval); } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"