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-rw-r--r--archival/tar.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/archival/tar.c b/archival/tar.c
index 47cc39c..b6beede 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -934,8 +934,10 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
tar_handle->src_fd = fileno(tar_stream);
tar_handle->seek = seek_by_read;
} else {
- if (ENABLE_FEATURE_TAR_AUTODETECT && flags == O_RDONLY) {
- get_header_ptr = get_header_tar;
+ if (ENABLE_FEATURE_TAR_AUTODETECT
+ && get_header_ptr == get_header_tar
+ && flags == O_RDONLY
+ ) {
tar_handle->src_fd = open_zipped(tar_filename);
if (tar_handle->src_fd < 0)
bb_perror_msg_and_die("can't open '%s'", tar_filename);