On Thu, 29 Jan 2015 19:48:08 +0100, Rickard Strandqvist said: > Fix a possible null pointer dereference, there is > otherwise a risk of a possible null pointer dereference. > > This was found using a static code analysis program called cppcheck > > Signed-off-by: Rickard Strandqvist <rickard_strandqv...@spectrumdigital.se> > --- > drivers/staging/media/lirc/lirc_zilog.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-)
> /* find our IR struct */
> struct IR *ir = filep->private_data;
>
> - if (ir == NULL) {
> - dev_err(ir->l.dev, "close: no private_data attached to the
> file!\n");
Yes, the dev_err() call is an obvious thinko.
However, I'm not sure whether removing it entirely is right either. If
there *should* be a struct IR * passed there, maybe some other printk()
should be issued, or even a WARN_ON(!ir), or something?
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