diff options
Diffstat (limited to 'drivers/xen/grant-table.c')
-rw-r--r-- | drivers/xen/grant-table.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index b4d4eac761db..f100ce20b16b 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c | |||
@@ -1029,6 +1029,7 @@ int gnttab_init(void) | |||
1029 | int i; | 1029 | int i; |
1030 | unsigned int max_nr_glist_frames, nr_glist_frames; | 1030 | unsigned int max_nr_glist_frames, nr_glist_frames; |
1031 | unsigned int nr_init_grefs; | 1031 | unsigned int nr_init_grefs; |
1032 | int ret; | ||
1032 | 1033 | ||
1033 | nr_grant_frames = 1; | 1034 | nr_grant_frames = 1; |
1034 | boot_max_nr_grant_frames = __max_nr_grant_frames(); | 1035 | boot_max_nr_grant_frames = __max_nr_grant_frames(); |
@@ -1047,12 +1048,16 @@ int gnttab_init(void) | |||
1047 | nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP; | 1048 | nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP; |
1048 | for (i = 0; i < nr_glist_frames; i++) { | 1049 | for (i = 0; i < nr_glist_frames; i++) { |
1049 | gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL); | 1050 | gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL); |
1050 | if (gnttab_list[i] == NULL) | 1051 | if (gnttab_list[i] == NULL) { |
1052 | ret = -ENOMEM; | ||
1051 | goto ini_nomem; | 1053 | goto ini_nomem; |
1054 | } | ||
1052 | } | 1055 | } |
1053 | 1056 | ||
1054 | if (gnttab_resume() < 0) | 1057 | if (gnttab_resume() < 0) { |
1055 | return -ENODEV; | 1058 | ret = -ENODEV; |
1059 | goto ini_nomem; | ||
1060 | } | ||
1056 | 1061 | ||
1057 | nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME; | 1062 | nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME; |
1058 | 1063 | ||
@@ -1070,7 +1075,7 @@ int gnttab_init(void) | |||
1070 | for (i--; i >= 0; i--) | 1075 | for (i--; i >= 0; i--) |
1071 | free_page((unsigned long)gnttab_list[i]); | 1076 | free_page((unsigned long)gnttab_list[i]); |
1072 | kfree(gnttab_list); | 1077 | kfree(gnttab_list); |
1073 | return -ENOMEM; | 1078 | return ret; |
1074 | } | 1079 | } |
1075 | EXPORT_SYMBOL_GPL(gnttab_init); | 1080 | EXPORT_SYMBOL_GPL(gnttab_init); |
1076 | 1081 | ||