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| author | Vasiliy Kulikov <segoon@openwall.com> | 2011-01-17 11:08:45 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-01-17 13:20:43 +0100 |
| commit | dacfecdbf3a0a5072984ff8b3c224a48c8461008 (patch) | |
| tree | bd5044426d722147161f3d3e725f76bec4849556 | |
| parent | Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/... (diff) | |
| download | linux-dacfecdbf3a0a5072984ff8b3c224a48c8461008.tar.xz linux-dacfecdbf3a0a5072984ff8b3c224a48c8461008.zip | |
HID: hid-roccat-koneplus: potential NULL dereference
kmalloc() may fail, if so return -ENOMEM.
Also koneplus_init_koneplus_device_struct() should check return code
of koneplus_get_startup_profile() and propagate its return code.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| -rw-r--r-- | drivers/hid/hid-roccat-koneplus.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 1608c8d1efd6..591a97cf6b65 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -220,6 +220,8 @@ static int koneplus_get_startup_profile(struct usb_device *usb_dev) int retval; buf = kmalloc(sizeof(struct koneplus_startup_profile), GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; retval = koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_STARTUP_PROFILE, buf, sizeof(struct koneplus_startup_profile)); @@ -614,6 +616,8 @@ static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev, mutex_init(&koneplus->koneplus_lock); koneplus->startup_profile = koneplus_get_startup_profile(usb_dev); + if (koneplus->startup_profile < 0) + return koneplus->startup_profile; msleep(wait); retval = koneplus_get_info(usb_dev, &koneplus->info); |