v4l2_fh_del(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… v4l2_fh_del β€” the Kernel API Manual glow-up πŸŽ€

okay bestie, you found the v4l2_fh_del(9) page and honestly? it's a little one, but it matters. this is the kernel API manual, and we're gonna get you comfy with it. no cap. ✨


🌸 NAME 🌸

v4l2_fh_del β€” remove a file handle from the list of file handles. that's it, that's the whole vibe. it's a goodbye function. a "you may now exit the group chat" function. 🫢


✨ SYNOPSIS ✨

void v4l2_fh_del (struct v4l2_fh *fh , struct file *filp );

literally two args. void return. no drama, no return value to check, she just does the thing. πŸ’…


πŸ¦‹ ARGUMENTS πŸ¦‹

  • fh β€” pointer to struct v4l2_fh. this is the file handle we're saying bye-bye to, bestie. πŸŽ€
  • filp β€” pointer to struct file associated with fh. they're a matched set, iykyk. πŸ”₯

πŸ’– DESCRIPTION πŸ’–

so what actually happens? the function resets filp->private_data to NULL. that's the move. she zeroes it out, clean and simple. 🌈

NOTE: this is the important part, don't skip it πŸ™ˆ β€” you must call this in the v4l2_file_operations->release handler if your driver uses struct v4l2_fh. like, if you're using struct v4l2_fh and you don't call this in that handler… that's not the vibe. that's a bug. periodt. πŸ’€

πŸ‘‘ SEE ALSO πŸ‘‘

go read these next, they're all part of the same friend group πŸ’œ:


aaaand that's the whole page, bestie! 🧚 this little gem lives over in ./include/media, it's dated October 2026, and the page itself is v4l2_fh_del(9). now go forth and release your file handles correctly. slay. πŸ“πŸ’–

πŸ“¦ where this page comes from