Re: [PATCH] staging: comedi: Remove variable runflags

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On 31/05/19 3:55 PM, Ian Abbott wrote:
On 30/05/2019 21:51, Nishka Dasgupta wrote:
Remove variable runflags and use its value directly. Issue found with
checkpatch.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@xxxxxxxxx>
---
  drivers/staging/comedi/comedi_fops.c | 8 ++------
  1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index f6d1287c7b83..b84ee9293903 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -676,16 +676,12 @@ EXPORT_SYMBOL_GPL(comedi_is_subdevice_running);
  static bool __comedi_is_subdevice_running(struct comedi_subdevice *s)
  {
-    unsigned int runflags = __comedi_get_subdevice_runflags(s);
-
-    return comedi_is_runflags_running(runflags);
+    return comedi_is_runflags_running(__comedi_get_subdevice_runflags(s));
  }
  bool comedi_can_auto_free_spriv(struct comedi_subdevice *s)
  {
-    unsigned int runflags = __comedi_get_subdevice_runflags(s);
-
-    return runflags & COMEDI_SRF_FREE_SPRIV;
+    return __comedi_get_subdevice_runflags(s) & COMEDI_SRF_FREE_SPRIV;
  }
  /**


I couldn't reproduce this checkpatch issue, even with '--subjective'.

I'm sorry, that was extremely careless of me. I used Coccinelle to find this, not Checkpatch.
Here is the Coccinelle script I used:

@@identifier i1, i2, f1, f2; type T; expression e1, e2; statement S1, S2;@@
(
- T i1 = f1(...);
|
- T i1 = e1;
)
... when != e2 = <+...i1...+>
    when != if (<+...i1...+>) S1 else S2
    when != f2(...,<+...i1...+>,...)
    when != i1->i2
    when != i2[<+...i1...+>]
    when != while(<+...i1...+>) S1
    when != for(...;<+...i1...+>;...) S1

Again, I'm sorry for the confusion; I don't know why it happened, but it won't happen again.

Nishka

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