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authorRandy Dunlap <rdunlap@infradead.org>2018-09-06 16:37:24 -0700
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-09-09 09:14:07 +0900
commitf0b0d88a825149ef3b06656886bc211c71dcb852 (patch)
tree33d72237d0d1933ec190493aaee20036dfa9b630
parent914b087ff9e0e9a399a4927fa30793064afc0178 (diff)
downloadlinux-f0b0d88a825149ef3b06656886bc211c71dcb852.tar.gz
kbuild: modules_install: warn when missing System.map file
If there is no System.map file for "make modules_install",
scripts/depmod.sh will silently exit with success, having done
nothing.  Since this is an unexpected situation, change it to
report a Warning for the missing file.  The behavior is not
changed except for the Warning message.

The (previous) silent success and new Warning can be reproduced
by:
$ make mrproper; make defconfig
$ make modules; make modules_install

and since System.map is produced by "make vmlinux", the steps
above omit producing the System.map file.

Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
-rwxr-xr-xscripts/depmod.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index e5f0aad75b96..e083bcae343f 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -11,6 +11,7 @@ DEPMOD=$1
 KERNELRELEASE=$2
 
 if ! test -r System.map ; then
+	echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2
 	exit 0
 fi