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I'm doing a linux driver tutorial and I have encountered a problem with the sample lesson of passing parameters to the driver. I tried another parameter passing example I found on the internet with the same result. Happens on Ubuntu and Raspberry Pi.

For some reason when I insmod the driver with a text parameter for nameETX, dmesg shows that the kernel is thinking some of the text string is 'unknown'. It does however accept the 'The' part of the text string. Any help please?

Source code:

char    *nameETX;
module_param(nameETX, charp, S_IRUSR | S_IWUSR);

Command line:

sudo insmod hello_world.ko nameETX="The latest driver"

dmesg output:

[  968.395399] hello_world: unknown parameter 'latest' ignored
[  968.395425] hello_world: unknown parameter 'driver' ignored

I'm doing a Linux driver tutorial, and I have encountered a problem with the sample lesson of passing parameters to the driver.  I tried another parameter-passing example I found on the internet with the same result.  Happens on Ubuntu and Raspberry Pi.

For some reason, when I insmod the driver with a text parameter for nameETX, dmesg shows that the kernel is thinking some of the text string is an 'unknown parameter'.  It does, however, accept the “The” part of the text string.  Any help please?

Source code:

char    *nameETX;
module_param(nameETX, charp, S_IRUSR | S_IWUSR);

Command line:

sudo insmod hello_world.ko nameETX="The latest driver"

dmesg output:

[  968.395399] hello_world: unknown parameter 'latest' ignored
[  968.395425] hello_world: unknown parameter 'driver' ignored

I'm doing a linux driver tutorial and I have encountered a problem with the sample lesson of passing parameters to the driver. I tried another parameter passing example I found on the internet with the same result. Happens on Ubuntu and Raspberry Pi.

For some reason when I insmod the driver with a text parameter for nameETX, dmesg shows that the kernel is thinking some of the text string is 'unknown'. It does however accept the 'The' part of the text string. Any help please?

Source code:

  char    *nameETX;
  module_param(nameETX, charp, S_IRUSR | S_IWUSR);

Command line:

   sudo insmod hello_world.ko nameETX="The latest driver"

dmesg output:

   [  968.395399] hello_world: unknown parameter 'latest' ignored
   [  968.395425] hello_world: unknown parameter 'driver' ignored

I'm doing a linux driver tutorial and I have encountered a problem with the sample lesson of passing parameters to the driver. I tried another parameter passing example I found on the internet with the same result. Happens on Ubuntu and Raspberry Pi.

For some reason when I insmod the driver with a text parameter for nameETX, dmesg shows that the kernel is thinking some of the text string is 'unknown'. It does however accept the 'The' part of the text string. Any help please?

Source code:

char    *nameETX;
module_param(nameETX, charp, S_IRUSR | S_IWUSR);

Command line:

sudo insmod hello_world.ko nameETX="The latest driver"

dmesg output:

[  968.395399] hello_world: unknown parameter 'latest' ignored
[  968.395425] hello_world: unknown parameter 'driver' ignored