[PATCH v2] Documentation: checkpatch: add UNNECESSARY_CASTS message.
From: Vinesh Raut <hidden>
Date: 2021-08-06 15:19:16
Subsystem:
checkpatch documentation, documentation, documentation process, the rest · Maintainers:
Dwaipayan Ray, Lukas Bulwahn, Jonathan Corbet, Linus Torvalds
Add verbose description for UNNECESSARY_CASTS message type. Suggested-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Vinesh Raut <redacted> --- Documentation/dev-tools/checkpatch.rst | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/Documentation/dev-tools/checkpatch.rst b/Documentation/dev-tools/checkpatch.rst
index f0956e9ea2d8..9cb6b9059fc6 100644
--- a/Documentation/dev-tools/checkpatch.rst
+++ b/Documentation/dev-tools/checkpatch.rst@@ -268,6 +268,15 @@ Allocation style See: https://www.kernel.org/doc/html/latest/core-api/memory-allocation.html + **UNNECESSAR_CASTS** + Cast should not be done to any alloc functions. + Appropriate type of pointer is pick by compiler at run time + Cast may hide bugs, as compiler suppress the warning after cast. + + See: + 1] https://lore.kernel.org/lkml/20070808024321.GA6316@redhat.com/ + 2] https://lore.kernel.org/lkml/a5e60a2b93e10baf84af063f6c8e56402273105d.camel@perches.com/ + API usage ---------
--
2.30.2
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