mtd: fix erase handling with partition offset on write
authorFelix Fietkau <nbd@nbd.name>
Fri, 20 Apr 2018 08:02:28 +0000 (10:02 +0200)
committerFelix Fietkau <nbd@nbd.name>
Fri, 20 Apr 2018 08:03:38 +0000 (10:03 +0200)
When a partition offset is given, it is used in an lseek call, which
affects write, but not erase. Add it to the offset for erase calls as
well

Signed-off-by: Felix Fietkau <nbd@nbd.name>
package/system/mtd/src/mtd.c

index 55a3bdb..fa04c0f 100644 (file)
@@ -638,7 +638,7 @@ resume:
                                        continue;
                                }
 
-                               if (mtd_erase_block(fd, e) < 0) {
+                               if (mtd_erase_block(fd, e + part_offset) < 0) {
                                        if (next) {
                                                if (w < e) {
                                                        write(fd, buf + offset, e - w);