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uvc: parse debugfs params safely

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This commit is contained in:
Brad Stein 2026-01-10 13:31:04 -03:00
parent cfe2430521
commit 8855f9ab78
1 changed files with 8 additions and 2 deletions
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10
server/src/bin/lesavka-uvc.rs
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@ -908,8 +908,14 @@ fn read_debugfs_fifos() -> Option<(Option<u32>, Option<u32>)> {
let mut non_periodic: Option<u32> = None; let mut non_periodic: Option<u32> = None;
for line in text.lines() { for line in text.lines() {
let mut parts = line.splitn(2, ':'); let mut parts = line.splitn(2, ':');
let key = parts.next()?.trim(); let key = match parts.next() {
let val = parts.next()?.trim().parse::<u32>().ok()?; Some(v) => v.trim(),
None => continue,
};
let val = match parts.next().and_then(|v| v.trim().parse::<u32>().ok()) {
Some(v) => v,
None => continue,
};
if key == "g_np_tx_fifo_size" { if key == "g_np_tx_fifo_size" {
non_periodic = Some(val); non_periodic = Some(val);
} else if key.starts_with("g_tx_fifo_size[") && val > 0 { } else if key.starts_with("g_tx_fifo_size[") && val > 0 {