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openSUSE:12.2
xen
24213-xenpaging_update_xenpaging_init.patch
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File 24213-xenpaging_update_xenpaging_init.patch of Package xen
changeset: 24213:e3cbbad72382 user: Olaf Hering <olaf@aepfle.de> date: Sun Nov 20 17:02:22 2011 +0100 files: tools/xenpaging/xenpaging.c description: xenpaging: update xenpaging_init Move comment about xc_handle to the right place. Allocate paging early and use calloc. Signed-off-by: Olaf Hering <olaf@aepfle.de> Committed-by: Ian Jackson <ian.jackson.citrix.com> --- tools/xenpaging/xenpaging.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) Index: xen-4.1.2-testing/tools/xenpaging/xenpaging.c =================================================================== --- xen-4.1.2-testing.orig/tools/xenpaging/xenpaging.c +++ xen-4.1.2-testing/tools/xenpaging/xenpaging.c @@ -169,18 +169,21 @@ static xenpaging_t *xenpaging_init(domid char *p; int rc; + /* Allocate memory */ + paging = calloc(1, sizeof(xenpaging_t)); + if ( !paging ) + goto err; + if ( getenv("XENPAGING_DEBUG") ) dbg = (xentoollog_logger *)xtl_createlogger_stdiostream(stderr, XTL_DEBUG, 0); - xch = xc_interface_open(dbg, NULL, 0); + + /* Open connection to xen */ + paging->xc_handle = xch = xc_interface_open(dbg, NULL, 0); if ( !xch ) - goto err_iface; + goto err; DPRINTF("xenpaging init\n"); - /* Allocate memory */ - paging = malloc(sizeof(xenpaging_t)); - memset(paging, 0, sizeof(xenpaging_t)); - /* Open connection to xenstore */ paging->xs_handle = xs_open(0); if ( paging->xs_handle == NULL ) @@ -204,9 +207,6 @@ static xenpaging_t *xenpaging_init(domid DPRINTF("Setting policy mru_size to %d\n", paging->policy_mru_size); } - /* Open connection to xen */ - paging->xc_handle = xch; - /* Set domain id */ paging->mem_event.domain_id = domain_id; @@ -322,7 +322,8 @@ static xenpaging_t *xenpaging_init(domid { if ( paging->xs_handle ) xs_close(paging->xs_handle); - xc_interface_close(xch); + if ( xch ) + xc_interface_close(xch); if ( paging->mem_event.shared_page ) { munlock(paging->mem_event.shared_page, PAGE_SIZE); @@ -340,7 +341,6 @@ static xenpaging_t *xenpaging_init(domid free(paging); } - err_iface: return NULL; }
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