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gpu: nvgpu: posix misra 12.1 fix

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MISRA Advisory Rule states that the precedence of operators within
expressions should be made explicit.

This change removes the Advisory Rule 12.1 violations from the
implementation of the is_power_of_2() macro.

Jira NVGPU-3178

Change-Id: I75117e9ab6e47beddebeebaa23c6408b6ceb88ad
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2278574
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Scott Long
2020-01-13 13:21:37 -08:00
committed by Alex Waterman
parent 5ee9a446b5
commit d0f3529d10
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/nvgpu/include/nvgpu/posix/log2.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2018-2020, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -59,9 +59,9 @@
ret; \
})
#define is_power_of_2(x) \
(bool)({ \
typeof(x) __x__ = (x); \
(__x__ != 0U && ((__x__ & (__x__ - 1U)) == 0U));\
#define is_power_of_2(x) \
(bool)({ \
typeof(x) __x__ = (x); \
((__x__ != 0U) && ((__x__ & (__x__ - 1U)) == 0U)); \
})
#endif /* NVGPU_POSIX_LOG2_H */