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authorThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
commitf2006e27396f55276f24434f56e208d86e7f9908 (patch)
tree71896db916d33888b4286f80117d3cac0da40e6d /drivers/target/target_core_rd.c
parente399eb56a6110e13f97e644658648602e2b08de7 (diff)
parent9903883f1dd6e86f286b7bfa6e4b423f98c1cd9e (diff)
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/target/target_core_rd.c')
-rw-r--r--drivers/target/target_core_rd.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 0921a64b555..51127d15d5c 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -139,6 +139,11 @@ static int rd_build_device_space(struct rd_dev *rd_dev)
rd_dev->rd_page_count);
return -EINVAL;
}
+
+ /* Don't need backing pages for NULLIO */
+ if (rd_dev->rd_flags & RDF_NULLIO)
+ return 0;
+
total_sg_needed = rd_dev->rd_page_count;
sg_tables = (total_sg_needed / max_sg_per_table) + 1;