counter_sysfs_add(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’« counter_sysfs_add(9) β€” a Kernel API Manual moment πŸ’«

okay so bestie, welcome to the Kernel API Manual entry for counter_sysfs_add β€” she's a little function with a big job and honestly? she ate. πŸŽ€


✨ NAME ✨

counter_sysfs_add β€” adds Counter sysfs attributes to the device structure. that's it, that's the whole vibe. πŸ’…


🌸 SYNOPSIS 🌸

int counter_sysfs_add (struct counter_device *const counter );

like, she takes exactly one thing and she returns an int. no cap. ✨


πŸ¦‹ ARGUMENTS πŸ¦‹

  • counter β€” pointer to the Counter device structure 🫢 literally just a pointer to the counter device struct, that's the whole thing.

πŸ’– DESCRIPTION πŸ’–

so here's what's actually happening, bestie: Counter sysfs attributes get created and added to the respective device structure, so they're ready for later registration to the system. πŸ‘‘

resource-managed memory allocation is performed by this function β€” yes, she allocates, she's doing the most πŸ’… β€” and that memory should be freed when no longer needed.

how do you free it? two iconic options:

  • automatically, by a device_unregister call 🌈
  • or manually, by a devres_release_all call 🧚
don't just leave that memory hanging around, okay? she's resource-managed, not resource-ignored. ⭐

πŸ”₯ SEE ALSO πŸ”₯

  • Kernel file ./drivers/counter/counter-sysfs.c
  • struct counter_attribute(9)
  • struct counter_attribute_group(9)

iykyk β€” go read those next, they're lowkey essential. πŸ“š


and that's the page, bestie!! source lives in ./drivers/counter, dated October 2026, and this has been your girl signing off β€” stay slaying, stay memory-safe πŸ’œπŸ¦‹βœ¨

πŸ“¦ where this page comes from