dd: conv=noerror should skip read errors using lseek (bug 539)

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/coreutils/dd.c b/coreutils/dd.c
index 38dacc71d..5281d8118 100644
--- a/coreutils/dd.c
+++ b/coreutils/dd.c
@@ -296,6 +296,8 @@ int dd_main(int argc UNUSED_PARAM, char **argv)
                                 goto die_infile;
                         n = ibs;
                         bb_simple_perror_msg(infile);
+                        /* GNU dd with conv=noerror skips over "bad blocks" */
+                        xlseek(ifd, ibs, SEEK_CUR);
                 }
                 if ((size_t)n == ibs)
                         G.in_full++;