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[v2,1/4] kexec: (bugfix) calc correct end address of memory ranges in device tree

Message ID c4af21ba365767f88a2516719dd0f3b70777b549.1469559530.git.geoff@infradead.org
State New
Headers show

Commit Message

Geoff Levand July 26, 2016, 8:18 p.m. UTC 
From: AKASHI Takahiro <takahiro.akashi@linaro.org>


The end address of "reg" attribute in device tree's memory should be
inclusive.

From: AKASHI Takahiro <takahiro.akashi@linaro.org>

Signed-off-by: Geoff Levand <geoff@infradead.org>

---
 kexec/fs2dt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

-- 
2.5.0



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diff mbox

Patch

diff --git a/kexec/fs2dt.c b/kexec/fs2dt.c
index 6ed2399..f00fd98 100644
--- a/kexec/fs2dt.c
+++ b/kexec/fs2dt.c
@@ -236,7 +236,8 @@  static void add_dyn_reconf_usable_mem_property__(int fd)
 						    ranges_size*8);
 				}
 				ranges[rlen++] = cpu_to_be64(loc_base);
-				ranges[rlen++] = cpu_to_be64(loc_end - loc_base);
+				ranges[rlen++] = cpu_to_be64(loc_end
+								- loc_base + 1);
 				rngs_cnt++;
 			}
 		}
@@ -350,7 +351,7 @@  static void add_usable_mem_property(int fd, size_t len)
 					    ranges_size*sizeof(*ranges));
 			}
 			ranges[rlen++] = cpu_to_be64(loc_base);
-			ranges[rlen++] = cpu_to_be64(loc_end - loc_base);
+			ranges[rlen++] = cpu_to_be64(loc_end - loc_base + 1);
 		}
 	}