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| author | Nathan Chancellor <natechancellor@gmail.com> | 2019-01-09 22:41:08 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-01-19 10:01:03 -0800 |
| commit | 7afa81c55fca0cad589722cb4bce698b4803b0e1 (patch) | |
| tree | f01c42c32265bdf5049b1f1524abaddea1cc16a8 /drivers/isdn | |
| parent | 8a7fa0c35027d1a3ec3c3e8612800a1b4738e3c3 (diff) | |
| download | lwn-7afa81c55fca0cad589722cb4bce698b4803b0e1.tar.gz lwn-7afa81c55fca0cad589722cb4bce698b4803b0e1.zip | |
isdn: avm: Fix string plus integer warning from Clang
A recent commit in Clang expanded the -Wstring-plus-int warning, showing
some odd behavior in this file.
drivers/isdn/hardware/avm/b1.c:426:30: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int]
cinfo->version[j] = "\0\0" + 1;
~~~~~~~^~~
drivers/isdn/hardware/avm/b1.c:426:30: note: use array indexing to silence this warning
cinfo->version[j] = "\0\0" + 1;
^
& [ ]
1 warning generated.
This is equivalent to just "\0". Nick pointed out that it is smarter to
use "" instead of "\0" because "" is used elsewhere in the kernel and
can be deduplicated at the linking stage.
Link: https://github.com/ClangBuiltLinux/linux/issues/309
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/hardware/avm/b1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c index 4ac378e48902..40ca1e8fa09f 100644 --- a/drivers/isdn/hardware/avm/b1.c +++ b/drivers/isdn/hardware/avm/b1.c @@ -423,7 +423,7 @@ void b1_parse_version(avmctrl_info *cinfo) int i, j; for (j = 0; j < AVM_MAXVERSION; j++) - cinfo->version[j] = "\0\0" + 1; + cinfo->version[j] = ""; for (i = 0, j = 0; j < AVM_MAXVERSION && i < cinfo->versionlen; j++, i += cinfo->versionbuf[i] + 1) |