fix a crash in mtd_concat when the .sync op is not implemented

SVN-Revision: 27074
13 years ago · 56dd5c4388
parent 628cb35179
commit 56dd5c4388
3 changed files with 36 additions and 0 deletions
--- a/target/linux/generic/patches-2.6.37/475-mtd_concat_sync_fix.patch
+++ b/target/linux/generic/patches-2.6.37/475-mtd_concat_sync_fix.patch
@ -0,0 +1,12 @@
+--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
+@@ -619,7 +619,8 @@ static void concat_sync(struct mtd_info 
+ 
+ 	for (i = 0; i < concat->num_subdev; i++) {
+ 		struct mtd_info *subdev = concat->subdev[i];
+-		subdev->sync(subdev);
+		if (subdev->sync)
+			subdev->sync(subdev);
+ 	}
+ }
+ 
--- a/target/linux/generic/patches-2.6.38/474-mtd_concat_sync_fix.patch
+++ b/target/linux/generic/patches-2.6.38/474-mtd_concat_sync_fix.patch
@ -0,0 +1,12 @@
+--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
+@@ -619,7 +619,8 @@ static void concat_sync(struct mtd_info 
+ 
+ 	for (i = 0; i < concat->num_subdev; i++) {
+ 		struct mtd_info *subdev = concat->subdev[i];
+-		subdev->sync(subdev);
+		if (subdev->sync)
+			subdev->sync(subdev);
+ 	}
+ }
+ 
--- a/target/linux/generic/patches-2.6.39/474-mtd_concat_sync_fix.patch
+++ b/target/linux/generic/patches-2.6.39/474-mtd_concat_sync_fix.patch
@ -0,0 +1,12 @@
+--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
+@@ -619,7 +619,8 @@ static void concat_sync(struct mtd_info 
+ 
+ 	for (i = 0; i < concat->num_subdev; i++) {
+ 		struct mtd_info *subdev = concat->subdev[i];
+-		subdev->sync(subdev);
+		if (subdev->sync)
+			subdev->sync(subdev);
+ 	}
+ }
+