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| author |  Takashi Iwai <tiwai@suse.de>
| 2018-04-25 10:41:08 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de>
| 2018-04-25 16:44:36 +0200 |
| commit | 4d31c6e41ed2f95f97a19766812797dabd82a5ee (patch) | |
| tree | e1f81f4f0108ff86f85b8e17b025b21609aec7b2 /drivers/hid/hidraw.c | |
| parent | ALSA: hda - Sanity check of access to SPDIF controls array (diff) | |
| parent | ALSA: hda - Skip jack and others for non-existing PCM streams (diff) | |
| download | linux-4d31c6e41ed2f95f97a19766812797dabd82a5ee.tar.gz linux-4d31c6e41ed2f95f97a19766812797dabd82a5ee.tar.bz2 linux-4d31c6e41ed2f95f97a19766812797dabd82a5ee.zip | |
Merge branch 'for-linus' into for-next
Back-merge 4.17-rc3 fixes for further development.
This will bump the base to 4.17-rc2, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/hid/hidraw.c')
| -rw-r--r-- | drivers/hid/hidraw.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index fbfcc8009432..b39844adea47 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -192,6 +192,11 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t int ret = 0, len; unsigned char report_number; + if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { + ret = -ENODEV; + goto out; + } + dev = hidraw_table[minor]->hid; if (!dev->ll_driver->raw_request) { |