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-rw-r--r--backend/epson2-commands.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/backend/epson2-commands.c b/backend/epson2-commands.c
index 0c28eab..eccd4ba 100644
--- a/backend/epson2-commands.c
+++ b/backend/epson2-commands.c
@@ -680,8 +680,10 @@ esci_set_scanning_parameter(SANE_Handle handle, unsigned char *buf)
return status;
status = e2_cmd_simple(s, buf, 64);
- if (status != SANE_STATUS_GOOD)
+ if (status != SANE_STATUS_GOOD) {
+ DBG(1, "%s: invalid scanning parameters\n", __func__);
return status;
+ }
return SANE_STATUS_GOOD;
}