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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-02-22 21:35:15 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-02-22 21:35:15 -0800 |
| commit | cbecf716ca618fd44feda6bd9a64a8179d031fc5 (patch) | |
| tree | 186c9f69f0d11f773253c440dac85087f67288b7 /drivers/input/joydev.c | |
| parent | 6524d8eac258452e547f8a49c8a965ac6dd8a161 (diff) | |
| parent | 4c47097f8514e4b35a31e04e33172d0193cb38ed (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 5.12 merge window.
Diffstat (limited to 'drivers/input/joydev.c')
| -rw-r--r-- | drivers/input/joydev.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index a2b5fbba2d3b..430dc6975004 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -456,7 +456,7 @@ static int joydev_handle_JSIOCSAXMAP(struct joydev *joydev, if (IS_ERR(abspam)) return PTR_ERR(abspam); - for (i = 0; i < joydev->nabs; i++) { + for (i = 0; i < len && i < joydev->nabs; i++) { if (abspam[i] > ABS_MAX) { retval = -EINVAL; goto out; @@ -480,6 +480,9 @@ static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev, int i; int retval = 0; + if (len % sizeof(*keypam)) + return -EINVAL; + len = min(len, sizeof(joydev->keypam)); /* Validate the map. */ @@ -487,7 +490,7 @@ static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev, if (IS_ERR(keypam)) return PTR_ERR(keypam); - for (i = 0; i < joydev->nkey; i++) { + for (i = 0; i < (len / 2) && i < joydev->nkey; i++) { if (keypam[i] > KEY_MAX || keypam[i] < BTN_MISC) { retval = -EINVAL; goto out; |