Use uintptr_t for for pointer arithmmatic instead of char *
to fix following CERT-C violations.
cert_exp36_c_violation: Pointer "char *" is more strictly aligned
than pointer "struct gk20a_event_id_data_rmos const *".
cert_exp36_c_violation: Pointer "struct nvgpu_clk_dev_rmos *" is
more strictly aligned than pointer "char *".
JIRA NVGPU-3908
JIRA NVGPU-3561
Change-Id: I9d40b3337ed0ddaf172ad4f4c9dd319996d479a1
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2197151
Reviewed-by: Scott Long <scottl@nvidia.com>
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Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Remove const from __mptr declaration to fix EXP40-C violation.
cert_exp40_c_violation: Casting pointer "__mptr" with type
"struct nvgpu_clk_dev const *" to type "char *" allows an
object defined with a const-qualified type to be modified
through use of an lvalue with non-const-qualified type
Considering implementation of container_of() a const is
not required.
JIRA NVGPU-3908
JIRA NVGPU-3561
Change-Id: Ie94c3f994a962124afcda49a178a72c9b87ba7c7
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2195032
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Add macros for whitelisting coverity violations. These macros use pragma
directives. The pragma directives and whitelisting macros are only
enabled when a coverity scan is being run.
The whitelisting macros have been added to a new header called
static_analysis.h. The contents of safe_ops.h (CERT C safe ops) have
been moved into static_analysis.h because this will be the new header
for static analysis related macros/defines/etc.
JIRA NVGPU-3820
Change-Id: I9c63f20f670880b420415535738034619314b7c3
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2180600
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INT31-C requires that integer conversions do not result in lost or
misinterpreted data.
Fix violations of INT31-C in utils unit. Add safe sub function for
u8 variables to fix the violation.
Jira NVGPU-3609
Change-Id: Ife51f5cc00c7127dd87d5d7b1b3c19ecf7bbfa4d
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2169974
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Shortcomings of ALIGN macros:
- ALIGN_MASK down aligns when there is an wrapping/overflow instead of
throwing an error. This can affect the size assumptions.
- Alignment a's check will be bypassed when ALIGN_MASK is directly
used.
Fix these issues by 1) adding compile time error for non-unsigned type
arguments 2) using unsigned type safe ops for addition and subtraction.
Also, change users of ALIGN to pass unsigned types only.
JIRA NVGPU-3515
Jira NVGPU-3411
Change-Id: I5b94a262e09aad473c420af750ead6b0f9d36a9b
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2128382
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Reviewed-by: Alex Waterman <alexw@nvidia.com>
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