loop: restore the correct return vaule of set_loop()
It is only used by mount's error path, though...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/loop.c b/libbb/loop.c
index e930b1b..ffc8acd 100644
--- a/libbb/loop.c
+++ b/libbb/loop.c
@@ -147,10 +147,8 @@
loopinfo.lo_offset = offset;
loopinfo.lo_sizelimit = sizelimit;
/*
- * Used by mount to set LO_FLAGS_AUTOCLEAR.
- * LO_FLAGS_READ_ONLY is not set because RO is controlled by open type of the file.
- * Note that closing LO_FLAGS_AUTOCLEARed lfd before mount
- * is wrong (would free the loop device!)
+ * LO_FLAGS_READ_ONLY is not set because RO is controlled
+ * by open type of the lfd.
*/
loopinfo.lo_flags = (flags & ~BB_LO_FLAGS_READ_ONLY);
@@ -266,6 +264,12 @@
/* SUCCESS! */
if (!*device)
*device = xstrdup(dev);
+ /* Note: mount asks for LO_FLAGS_AUTOCLEAR loopdev.
+ * Closing LO_FLAGS_AUTOCLEARed lfd before mount
+ * is wrong (would free the loop device!),
+ * this is why we return without closing it.
+ */
+ rc = lfd; /* return this */
break;
}
close(lfd);