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| author | Shiyang Ruan <ruansy.fnst@cn.fujitsu.com> | 2021-01-26 10:13:31 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-04 11:38:15 +0100 |
| commit | fc22917f48ee61eebfc462de92a685b9f508bddc (patch) | |
| tree | 8e5c69ff3faa702ff3dad88c4bf81c33c4a5e141 | |
| parent | 37aba9cfece7819127e5e0d739ff54ec44695b9b (diff) | |
| download | linux-stable-fc22917f48ee61eebfc462de92a685b9f508bddc.tar.gz linux-stable-fc22917f48ee61eebfc462de92a685b9f508bddc.tar.bz2 linux-stable-fc22917f48ee61eebfc462de92a685b9f508bddc.zip | |
device-dax: Fix default return code of range_parse()
[ Upstream commit 7323fb22f05ff1d20498d267828870a5fbbaebd6 ]
The return value of range_parse() indicates the size when it is
positive. The error code should be negative.
Signed-off-by: Shiyang Ruan <ruansy.fnst@cn.fujitsu.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20210126021331.1059933-1-ruansy.fnst@cn.fujitsu.com
Reported-by: Zhang Qilong <zhangqilong3@huawei.com>
Fixes: 8490e2e25b5a ("device-dax: add a range mapping allocation attribute")
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/dax/bus.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index de7b74505e75..c1d379bd7af3 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -1046,7 +1046,7 @@ static ssize_t range_parse(const char *opt, size_t len, struct range *range) { unsigned long long addr = 0; char *start, *end, *str; - ssize_t rc = EINVAL; + ssize_t rc = -EINVAL; str = kstrdup(opt, GFP_KERNEL); if (!str) |