From: "Iván Ezequiel Rodriguez" <ivanrwcm25@gmail.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
"Iván Ezequiel Rodriguez" <ivanrwcm25@gmail.com>
Subject: [PATCH v2 0/2] Input: evdev/uinput errno alignment
Date: Mon, 31 Aug 2026 16:27:50 -0300 [thread overview]
Message-ID: <20260831192752.258550-1-ivanrwcm25@gmail.com> (raw)
In-Reply-To: <20260831152156.166514-1-ivanrwcm25@gmail.com>
Two small fixes making evdev and uinput report the error codes their
uapi documentation promises.
Changes since v1:
- Dropped the ABS_MT_SLOT "minimum must be 0" validation from patch 2.
It was a userspace regression: uinput_create_device() already calls
input_mt_init_slots() for devices declaring ABS_MT_SLOT, and
input_mt_init_slots() overwrites the axis with
input_set_abs_params(dev, ABS_MT_SLOT, 0, num_slots - 1, 0, 0).
A non-zero minimum is therefore accepted today and silently
corrected, so rejecting it with -EINVAL would break existing
callers.
- Patch 2 is now limited to the -ERANGE to -EINVAL change and its
commit message was reworded accordingly.
- Patch 1 is unchanged.
v1: https://lore.kernel.org/linux-input/20260831152156.166514-1-ivanrwcm25@gmail.com/
Iván Ezequiel Rodriguez (2):
Input: evdev: propagate EVIOCSFF copy errors correctly
Input: uinput: return -EINVAL for out-of-range UI_ABS_SETUP axis code
drivers/input/evdev.c | 5 +++--
drivers/input/misc/uinput.c | 2 +-
2 files changed, 4 insertions(+), 3 deletions(-)
--
2.43.0
next prev parent reply other threads:[~2026-08-31 19:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 15:21 [PATCH v1 0/2] Input: evdev/uinput errno alignment Iván Ezequiel Rodriguez
2026-08-31 15:21 ` [PATCH v1 1/2] Input: evdev: propagate EVIOCSFF copy errors correctly Iván Ezequiel Rodriguez
2026-08-31 18:30 ` sashiko-bot
2026-08-31 15:21 ` [PATCH v1 2/2] Input: uinput: align UI_ABS_SETUP validation with uapi docs Iván Ezequiel Rodriguez
2026-08-31 18:42 ` sashiko-bot
2026-08-31 19:27 ` Iván Ezequiel Rodriguez [this message]
2026-08-31 19:27 ` [PATCH v2 1/2] Input: evdev: propagate EVIOCSFF copy errors correctly Iván Ezequiel Rodriguez
2026-08-31 21:35 ` sashiko-bot
2026-08-31 19:27 ` [PATCH v2 2/2] Input: uinput: return -EINVAL for out-of-range UI_ABS_SETUP axis code Iván Ezequiel Rodriguez
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