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Fix setting flag in vm_area_struct for Kernel 6.3

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The error was:
```
[  150s]   gcc -Wp,-MMD,/home/abuild/rpmbuild/BUILD/build-default/devices/ccat/.netdev.o.d -nostdinc -I/usr/src/linux-6.3.1-1/arch/x86/include -I./arch/x86/include/generated -I/usr/src/linux-6.3.1-1/include -I./include -I/usr/src/linux-6.3.1-1/arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I/usr/src/linux-6.3.1-1/include/uapi -I./include/generated/uapi -include /usr/src/linux-6.3.1-1/include/linux/compiler-version.h -include /usr/src/linux-6.3.1-1/include/linux/kconfig.h -include /usr/src/linux-6.3.1-1/include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=/usr/src/linux-6.3.1-1/= -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -funsigned-char -std=gnu11 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=none -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mindirect-branch-cs-prefix -mfunction-return=thunk-extern -fno-jump-tables -mharden-sls=all -fpatchable-function-entry=16,16 -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=2048 -fstack-protector-strong -Wno-main -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-dangling-pointer -fno-stack-clash-protection -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -falign-functions=16 -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wcast-function-type -Wno-stringop-truncation -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -Wno-array-bounds -Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wno-packed-not-aligned -g -gdwarf-5  -DMODULE  -DKBUILD_BASENAME='"netdev"' -DKBUILD_MODNAME='"ec_ccat"' -D__KBUILD_MODNAME=kmod_ec_ccat -c -o /home/abuild/rpmbuild/BUILD/build-default/devices/ccat/netdev.o /home/abuild/rpmbuild/BUILD/build-default/devices/ccat/netdev.c   ; ./tools/objtool/objtool --hacks=jump_label --hacks=noinstr --hacks=skylake --orc --retpoline --rethunk --sls --static-call --uaccess --prefix=16   --module /home/abuild/rpmbuild/BUILD/build-default/devices/ccat/netdev.o
[  151s] /home/abuild/rpmbuild/BUILD/build-default/master/cdev.c: In function 'eccdev_mmap':
[  151s] /home/abuild/rpmbuild/BUILD/build-default/master/cdev.c:246:19: error: assignment of read-only member 'vm_flags'
[  151s]   246 |     vma->vm_flags |= VM_DONTDUMP; /* Pages will not be swapped out */
[  151s]       |                   ^~
[  151s] make[3]: *** [/usr/src/linux-6.3.1-1/scripts/Makefile.build:253: /home/abuild/rpmbuild/BUILD/build-default/master/cdev.o] Error 1
```
This commit is contained in:
Bjarne von Horn
2023-05-09 14:28:11 +02:00
parent a186717821
commit 27db882dab
1 changed files with 4 additions and 0 deletions
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4
master/cdev.c
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@@ -243,7 +243,11 @@ int eccdev_mmap(
EC_MASTER_DBG(priv->cdev->master, 1, "mmap()\n");
vma->vm_ops = &eccdev_vm_ops;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
vm_flags_set(vma, VM_DONTDUMP);
#else
vma->vm_flags |= VM_DONTDUMP; /* Pages will not be swapped out */
#endif
vma->vm_private_data = priv;
return 0;