From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F1F0C86334; Thu, 15 Jan 2026 17:31:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498298; cv=none; b=W1Xu/vgMrzfWnn1F47w+CJIj0mlyHWYPgFsm0hggcgOO6g05iabtUugKPE6PkY7WAN6lBFFQkw4dd478E7B5VZ2XFuLM8K808P8AnAaIn8piJEbe7Hf7vSR2pupw9QBfWAAMHw78tJg2mAi0fRsgdEQmD6S5aA6PFKfMmzd4zA0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498298; c=relaxed/simple; bh=r1uLr4GVlwuCuH2FIJmpP5XqlqEhnP4l10NeqD8fhs8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gspsFJWOCe4ZndthnepdnQvOHLJ3Y5h51h8ByJDfOmimIMj6ED3LC9SB/HdYUEs/icCMEqxx1UNdh4CNe5KAsWq+gOogT7hMrg0Hm2a9h/34OLxvu7g6XsVMor3xUa3vC7AoYHMGt/r7pe/NSQfHyS5CDUSD8Rn1LUIduSgmkzo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=HnTKlwl+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="HnTKlwl+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79E4BC116D0; Thu, 15 Jan 2026 17:31:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768498297; bh=r1uLr4GVlwuCuH2FIJmpP5XqlqEhnP4l10NeqD8fhs8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HnTKlwl+6fTqACVkBfOI5uMMrr5Az7E/hSpCZqab41I9dof4fy0oR5oniBa6JTymj IqwCWwUcefdE2bA4dk949Si6NvIOpf+urS9QPs2xBKHSwEiM7otAW5ncYAMoCjUu4g x/FGFwpNfDCm2wK6C/ET1k1RutQJxL6Tqf8OmdK4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hans de Goede , Jiri Kosina Subject: [PATCH 5.15 381/554] HID: logitech-dj: Remove duplicate error logging Date: Thu, 15 Jan 2026 17:47:27 +0100 Message-ID: <20260115164300.028126340@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164246.225995385@linuxfoundation.org> References: <20260115164246.225995385@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans de Goede commit ca389a55d8b2d86a817433bf82e0602b68c4d541 upstream. logi_dj_recv_query_paired_devices() and logi_dj_recv_switch_to_dj_mode() both have 2 callers which all log an error if the function fails. Move the error logging to inside these 2 functions to remove the duplicated error logging in the callers. While at it also move the logi_dj_recv_send_report() call error handling in logi_dj_recv_switch_to_dj_mode() to directly after the call. That call only fails if the report cannot be found and in that case it does nothing, so the msleep() is not necessary on failures. Fixes: 6f20d3261265 ("HID: logitech-dj: Fix error handling in logi_dj_recv_switch_to_dj_mode()") Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman --- drivers/hid/hid-logitech-dj.c | 56 +++++++++++++++++------------------------- 1 file changed, 23 insertions(+), 33 deletions(-) --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -805,7 +805,6 @@ static void delayedwork_callback(struct struct dj_workitem workitem; unsigned long flags; int count; - int retval; dbg_hid("%s\n", __func__); @@ -842,11 +841,7 @@ static void delayedwork_callback(struct logi_dj_recv_destroy_djhid_device(djrcv_dev, &workitem); break; case WORKITEM_TYPE_UNKNOWN: - retval = logi_dj_recv_query_paired_devices(djrcv_dev); - if (retval) { - hid_err(djrcv_dev->hidpp, "%s: logi_dj_recv_query_paired_devices error: %d\n", - __func__, retval); - } + logi_dj_recv_query_paired_devices(djrcv_dev); break; case WORKITEM_TYPE_EMPTY: dbg_hid("%s: device list is empty\n", __func__); @@ -1239,8 +1234,10 @@ static int logi_dj_recv_query_paired_dev djrcv_dev->last_query = jiffies; - if (djrcv_dev->type != recvr_type_dj) - return logi_dj_recv_query_hidpp_devices(djrcv_dev); + if (djrcv_dev->type != recvr_type_dj) { + retval = logi_dj_recv_query_hidpp_devices(djrcv_dev); + goto out; + } dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); if (!dj_report) @@ -1250,6 +1247,10 @@ static int logi_dj_recv_query_paired_dev dj_report->report_type = REPORT_TYPE_CMD_GET_PAIRED_DEVICES; retval = logi_dj_recv_send_report(djrcv_dev, dj_report); kfree(dj_report); +out: + if (retval < 0) + hid_err(djrcv_dev->hidpp, "%s error:%d\n", __func__, retval); + return retval; } @@ -1275,6 +1276,8 @@ static int logi_dj_recv_switch_to_dj_mod (u8)timeout; retval = logi_dj_recv_send_report(djrcv_dev, dj_report); + if (retval) + goto out; /* * Ugly sleep to work around a USB 3.0 bug when the receiver is @@ -1283,11 +1286,6 @@ static int logi_dj_recv_switch_to_dj_mod * 50 msec should gives enough time to the receiver to be ready. */ msleep(50); - - if (retval) { - kfree(dj_report); - return retval; - } } /* @@ -1313,7 +1311,12 @@ static int logi_dj_recv_switch_to_dj_mod HIDPP_REPORT_SHORT_LENGTH, HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); +out: kfree(dj_report); + + if (retval < 0) + hid_err(hdev, "%s error:%d\n", __func__, retval); + return retval; } @@ -1835,11 +1838,8 @@ static int logi_dj_probe(struct hid_devi if (has_hidpp) { retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0); - if (retval < 0) { - hid_err(hdev, "%s: logi_dj_recv_switch_to_dj_mode returned error:%d\n", - __func__, retval); + if (retval < 0) goto switch_to_dj_mode_fail; - } } /* This is enabling the polling urb on the IN endpoint */ @@ -1857,15 +1857,11 @@ static int logi_dj_probe(struct hid_devi spin_lock_irqsave(&djrcv_dev->lock, flags); djrcv_dev->ready = true; spin_unlock_irqrestore(&djrcv_dev->lock, flags); - retval = logi_dj_recv_query_paired_devices(djrcv_dev); - if (retval < 0) { - hid_err(hdev, "%s: logi_dj_recv_query_paired_devices error:%d\n", - __func__, retval); - /* - * This can happen with a KVM, let the probe succeed, - * logi_dj_recv_queue_unknown_work will retry later. - */ - } + /* + * This can fail with a KVM. Ignore errors to let the probe + * succeed, logi_dj_recv_queue_unknown_work will retry later. + */ + logi_dj_recv_query_paired_devices(djrcv_dev); } return 0; @@ -1882,18 +1878,12 @@ hid_hw_start_fail: #ifdef CONFIG_PM static int logi_dj_reset_resume(struct hid_device *hdev) { - int retval; struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); if (!djrcv_dev || djrcv_dev->hidpp != hdev) return 0; - retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0); - if (retval < 0) { - hid_err(hdev, "%s: logi_dj_recv_switch_to_dj_mode returned error:%d\n", - __func__, retval); - } - + logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0); return 0; } #endif