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scripts/nsdeps: make sure to pass all module source files to spatch 

The nsdeps script passes a list of the module source files to
generate_deps_for_ns() as a space delimited string named $mod_source_files,
which then passes it to spatch. But since $mod_source_files is not encased
in quotes, each source file in that string is treated as a separate shell
function argument (as $2, $3, $4, etc.).  However, the spatch invocation
only refers to $2, so only the first file out of $mod_source_files is
processed by spatch.

This causes problems (namely, the MODULE_IMPORT_NS() statement doesn't
get inserted) when a module is composed of many source files and the
"main" module file containing the MODULE_LICENSE() statement is not the
first file listed in $mod_source_files. Fix this by encasing
$mod_source_files in quotes so that the entirety of the string is
treated as a single argument and can be referred to as $2.

In addition, put quotes in the variable assignment of mod_source_files
to prevent any shell interpretation and field splitting.

Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Matthias Maennich <maennich@google.com>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
This commit is contained in:
Jessica Yu 2019-11-05 11:10:23 +01:00
parent a99d8080aa
commit 57baec7b1b
1 changed files with 3 additions and 3 deletions
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6
scripts/nsdeps
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@ -31,12 +31,12 @@ generate_deps() {
local mod_file=`echo $@ | sed -e 's/\.ko/\.mod/'`
local ns_deps_file=`echo $@ | sed -e 's/\.ko/\.ns_deps/'`
if [ ! -f "$ns_deps_file" ]; then return; fi
local mod_source_files=`cat $mod_file | sed -n 1p \
local mod_source_files="`cat $mod_file | sed -n 1p \
| sed -e 's/\.o/\.c/g' \
| sed "s|[^ ]* *|${srctree}/&|g"`
| sed "s|[^ ]* *|${srctree}/&|g"`"
for ns in `cat $ns_deps_file`; do
echo "Adding namespace $ns to module $mod_name (if needed)."
generate_deps_for_ns $ns $mod_source_files
generate_deps_for_ns $ns "$mod_source_files"
# sort the imports
for source_file in $mod_source_files; do
sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp