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| author | Joel Stanley <joel@jms.id.au> | 2019-05-08 16:48:45 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-05-08 16:48:48 +0300 |
| commit | d09fc0c4bdfbcbe251df247b5a94e2a07dec9c2f (patch) | |
| tree | 893d98100d3ede2ff76905a67e1b9798c8c88868 /drivers/usb/core/message.c | |
| parent | 76cc3bd0c342199b0bc0fd6afc7035274bf7a718 (diff) | |
| parent | 274ede3e1a5fb3d0fd33acafb08993e95972c51f (diff) | |
| download | linux-dev-5.0.tar.xz | |
Merge tag 'v5.0.14' into dev-5.0dev-5.0
This is the 5.0.14 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/usb/core/message.c')
| -rw-r--r-- | drivers/usb/core/message.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 4f33eb632a88..4020ce8db6ce 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -820,9 +820,11 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size) if (dev->state == USB_STATE_SUSPENDED) return -EHOSTUNREACH; - if (size <= 0 || !buf || !index) + if (size <= 0 || !buf) return -EINVAL; buf[0] = 0; + if (index <= 0 || index >= 256) + return -EINVAL; tbuf = kmalloc(256, GFP_NOIO); if (!tbuf) return -ENOMEM; |