diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2021-03-30 09:17:09 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2021-03-30 09:17:09 +0200 |
| commit | a6ad93e37e76ec43c9cee6a91dd783fb854c2ff1 (patch) | |
| tree | d091c71637d37d0fb0255af766a9287de6a4611a /drivers/input/joydev.c | |
| parent | 69aea9d2843669387d100e353b5113d1adc9502f (diff) | |
| parent | aebf0a11a8c1fb6444d1365db97f90672199a867 (diff) | |
Merge tag 'platform-drivers-x86-surface-aggregator-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into for-5.13/surface-system-aggregator-intergration
Pull immutable integration branch from Hans de Goede to have a stable base for
SSAM (Surface System Aggregator Module) HID transport subsystem merge.
=====
Signed tag for the immutable platform-surface-aggregator-registry
branch for merging into other sub-systems.
Note this is based on v5.12-rc2.
=====
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; |