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-rwxr-xr-xscripts/check-sysctl-docs65
1 files changed, 32 insertions, 33 deletions
diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 4f163e0bf6a4..20274c63e745 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -8,7 +8,7 @@
# Example invocation:
# scripts/check-sysctl-docs -vtable="kernel" \
# Documentation/admin-guide/sysctl/kernel.rst \
-# $(git grep -l register_sysctl_)
+# $(git grep -l register_sysctl)
#
# Specify -vdebug=1 to see debugging information
@@ -20,14 +20,10 @@ BEGIN {
}
# The following globals are used:
-# children: maps ctl_table names and procnames to child ctl_table names
# documented: maps documented entries (each key is an entry)
# entries: maps ctl_table names and procnames to counts (so
# enumerating the subkeys for a given ctl_table lists its
# procnames)
-# files: maps procnames to source file names
-# paths: maps ctl_path names to paths
-# curpath: the name of the current ctl_path struct
# curtable: the name of the current ctl_table struct
# curentry: the name of the current proc entry (procname when parsing
# a ctl_table, constructed path when parsing a ctl_path)
@@ -94,42 +90,23 @@ FNR == NR {
# Stage 2: process each file and find all sysctl tables
BEGINFILE {
- delete children
delete entries
- delete paths
- curpath = ""
curtable = ""
curentry = ""
+ delete vars
if (debug) print "Processing file " FILENAME
}
-/^static struct ctl_path/ {
- match($0, /static struct ctl_path ([^][]+)/, tables)
- curpath = tables[1]
- if (debug) print "Processing path " curpath
-}
-
-/^static struct ctl_table/ {
- match($0, /static struct ctl_table ([^][]+)/, tables)
- curtable = tables[1]
+/^static( const)? struct ctl_table/ {
+ match($0, /static( const)? struct ctl_table ([^][]+)/, tables)
+ curtable = tables[2]
if (debug) print "Processing table " curtable
}
/^};$/ {
- curpath = ""
curtable = ""
curentry = ""
-}
-
-curpath && /\.procname[\t ]*=[\t ]*".+"/ {
- match($0, /.procname[\t ]*=[\t ]*"([^"]+)"/, names)
- if (curentry) {
- curentry = curentry "/" names[1]
- } else {
- curentry = names[1]
- }
- if (debug) print "Setting path " curpath " to " curentry
- paths[curpath] = curentry
+ delete vars
}
curtable && /\.procname[\t ]*=[\t ]*".+"/ {
@@ -140,10 +117,32 @@ curtable && /\.procname[\t ]*=[\t ]*".+"/ {
file[curentry] = FILENAME
}
-/\.child[\t ]*=/ {
- child = trimpunct($NF)
- if (debug) print "Linking child " child " to table " curtable " entry " curentry
- children[curtable][curentry] = child
+/register_sysctl.*/ {
+ match($0, /register_sysctl(|_init|_sz)\("([^"]+)" *, *([^,)]+)/, tables)
+ if (debug) print "Registering table " tables[3] " at " tables[2]
+ if (tables[2] == table) {
+ for (entry in entries[tables[3]]) {
+ printentry(entry)
+ }
+ }
+}
+
+/kmemdup.*/ {
+ match($0, /([^ \t]+) *= *kmemdup\(([^,]+) *,/, names)
+ if (debug) print "Found variable " names[1] " for table " names[2]
+ if (names[2] in entries) {
+ vars[names[1]] = names[2]
+ }
+}
+
+/__register_sysctl_table.*/ {
+ match($0, /__register_sysctl_table\([^,]+, *"([^"]+)" *, *([^,]+)/, tables)
+ if (debug) print "Registering variable table " tables[2] " at " tables[1]
+ if (tables[1] == table && tables[2] in vars) {
+ for (entry in entries[vars[tables[2]]]) {
+ printentry(entry)
+ }
+ }
}
END {