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| author | Johannes Berg <johannes.berg@intel.com> | 2021-06-18 13:41:29 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2021-06-18 13:25:15 +0200 |
| commit | b5642479b0f7168fe16d156913533fe65ab4f8d5 (patch) | |
| tree | 5f3721248920b3460e874a45a35f64d931aeef2e /net/wireless/Makefile | |
| parent | 1236af327af476731aa548dfcbbefb1a3ec6726a (diff) | |
| download | lwn-b5642479b0f7168fe16d156913533fe65ab4f8d5.tar.gz lwn-b5642479b0f7168fe16d156913533fe65ab4f8d5.zip | |
cfg80211: make certificate generation more robust
If all net/wireless/certs/*.hex files are deleted, the build
will hang at this point since the 'cat' command will have no
arguments. Do "echo | cat - ..." so that even if the "..."
part is empty, the whole thing won't hang.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210618133832.c989056c3664.Ic3b77531d00b30b26dcd69c64e55ae2f60c3f31e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/Makefile')
| -rw-r--r-- | net/wireless/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/wireless/Makefile b/net/wireless/Makefile index 2eee93985ab0..af590ae606b6 100644 --- a/net/wireless/Makefile +++ b/net/wireless/Makefile @@ -28,7 +28,7 @@ $(obj)/shipped-certs.c: $(wildcard $(srctree)/$(src)/certs/*.hex) @$(kecho) " GEN $@" @(echo '#include "reg.h"'; \ echo 'const u8 shipped_regdb_certs[] = {'; \ - cat $^ ; \ + echo | cat - $^ ; \ echo '};'; \ echo 'unsigned int shipped_regdb_certs_len = sizeof(shipped_regdb_certs);'; \ ) > $@ |