diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2007-10-17 10:31:09 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 19:43:04 +0400 |
| commit | 402b310cb6e523779149139b20f46899a890e963 (patch) | |
| tree | ac97df1b8b92cfb41cac08bd3ebfb177775570dd /include/linux/pnp.h | |
| parent | 9cd8047b463f213c294f756119ac353312e7a152 (diff) | |
| download | linux-402b310cb6e523779149139b20f46899a890e963.tar.xz | |
PNP: remove null pointer checks
Remove some null pointer checks. Null pointers in these areas indicate
programming errors, and I think it's better to oops immediately rather than
return an error that is easily ignored.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/pnp.h')
| -rw-r--r-- | include/linux/pnp.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 16b46aace349..664d68cb1fbd 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -243,11 +243,11 @@ struct pnp_fixup { #define PNP_CONFIGURABLE 0x0008 #define PNP_REMOVABLE 0x0010 -#define pnp_can_read(dev) (((dev)->protocol) && ((dev)->protocol->get) && \ +#define pnp_can_read(dev) (((dev)->protocol->get) && \ ((dev)->capabilities & PNP_READ)) -#define pnp_can_write(dev) (((dev)->protocol) && ((dev)->protocol->set) && \ +#define pnp_can_write(dev) (((dev)->protocol->set) && \ ((dev)->capabilities & PNP_WRITE)) -#define pnp_can_disable(dev) (((dev)->protocol) && ((dev)->protocol->disable) && \ +#define pnp_can_disable(dev) (((dev)->protocol->disable) && \ ((dev)->capabilities & PNP_DISABLE)) #define pnp_can_configure(dev) ((!(dev)->active) && \ ((dev)->capabilities & PNP_CONFIGURABLE)) |