Build failure on Debian 11 kernel 5.10

[Bubbgump209]

DKMS make.log for gasket-1.0 for kernel 5.10.0-24-cloud-amd64 (x86_64)
Fri Aug 18 12:35:47 EDT 2023
make: Entering directory '/usr/src/linux-headers-5.10.0-24-cloud-amd64'
  CC [M]  /var/lib/dkms/gasket/1.0/build/gasket_core.o
  CC [M]  /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
  CC [M]  /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
  CC [M]  /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
  CC [M]  /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
  LD [M]  /var/lib/dkms/gasket/1.0/build/gasket.o
  CC [M]  /var/lib/dkms/gasket/1.0/build/apex_driver.o
  LD [M]  /var/lib/dkms/gasket/1.0/build/apex.o
  MODPOST /var/lib/dkms/gasket/1.0/build/Module.symvers
ERROR: modpost: "dma_buf_detach" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_put" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_get" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_unmap_attachment" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_map_attachment" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_attach" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
make[2]: *** [/usr/src/linux-headers-5.10.0-24-common/scripts/Makefile.modpost:123: /var/lib/dkms/gasket/1.0/build/Module.symvers] Error 1
make[2]: *** Deleting file '/var/lib/dkms/gasket/1.0/build/Module.symvers'
make[1]: *** [/usr/src/linux-headers-5.10.0-24-common/Makefile:1779: modules] Error 2
make: *** [/usr/src/linux-headers-5.10.0-24-common/Makefile:192: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-5.10.0-24-cloud-amd64'

This feels a lot like #14 but I don't know how to tweak things to see if that fixes my issue as well.

[robertzaage]

@Bubbgump209 Looks like this is exactly the same error from #14
I guess you can close this issue.

[Spanni26]

it does not seem to solve the problem.

On 5.14.21:

k-ifc5:~/gasket-driver/src # make all
make -C /lib/modules/5.14.21-150500.53-default/build M=/root/gasket-driver/src modules
make[1]: Entering directory '/usr/src/linux-5.14.21-150500.53-obj/x86_64/default'
CC [M] /root/gasket-driver/src/gasket_core.o
CC [M] /root/gasket-driver/src/gasket_ioctl.o
CC [M] /root/gasket-driver/src/gasket_interrupt.o
CC [M] /root/gasket-driver/src/gasket_page_table.o
CC [M] /root/gasket-driver/src/gasket_sysfs.o
LD [M] /root/gasket-driver/src/gasket.o
CC [M] /root/gasket-driver/src/apex_driver.o
LD [M] /root/gasket-driver/src/apex.o
MODPOST /root/gasket-driver/src/Module.symvers
ERROR: modpost: module gasket uses symbol dma_buf_detach from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_put from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_get from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_unmap_attachment from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_map_attachment from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_attach from namespace DMA_BUF, but does not import it.
make[3]: *** [/usr/src/linux-5.14.21-150500.53/scripts/Makefile.modpost:140: /root/gasket-driver/src/Module.symvers] Error 1
make[3]: *** Deleting file '/root/gasket-driver/src/Module.symvers'
make[2]: *** [/usr/src/linux-5.14.21-150500.53/Makefile:1810: modules] Error 2
make[1]: *** [../../../linux-5.14.21-150500.53/Makefile:220: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-5.14.21-150500.53-obj/x86_64/default'
make: *** [Makefile:14: all] Error 2