From: Steve Holland Date: Thu, 18 Jun 2009 22:37:49 +0000 (-0500) Subject: USB: usbtmc: Fix short reads in usbtmc_read() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c2cd26e15b84b964c489f2aff278cdaf03840c93;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git USB: usbtmc: Fix short reads in usbtmc_read() The header size should not be included in the number of bytes requested of the instrument Signed-off-by: Steve Holland Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 40ef4da786d8..f2fde7cd6109 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -407,10 +407,10 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf, buffer[1] = data->bTag; buffer[2] = ~(data->bTag); buffer[3] = 0; /* Reserved */ - buffer[4] = (this_part - 12 - 3) & 255; - buffer[5] = ((this_part - 12 - 3) >> 8) & 255; - buffer[6] = ((this_part - 12 - 3) >> 16) & 255; - buffer[7] = ((this_part - 12 - 3) >> 24) & 255; + buffer[4] = (this_part) & 255; + buffer[5] = ((this_part) >> 8) & 255; + buffer[6] = ((this_part) >> 16) & 255; + buffer[7] = ((this_part) >> 24) & 255; buffer[8] = data->TermCharEnabled * 2; /* Use term character? */ buffer[9] = data->TermChar;