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[PATCH 3/3] virtiofsd: check whether strdup lo.source return NULL in mai
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From: |
Haotian Li |
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Subject: |
[PATCH 3/3] virtiofsd: check whether strdup lo.source return NULL in main func |
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Date: |
Wed, 11 Nov 2020 09:10:38 +0800 |
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User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.1.0 |
In main func, strdup lo.source may fail. So check whether strdup
lo.source return NULL before using it.
Signed-off-by: Haotian Li <lihaotian9@huawei.com>
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
---
tools/virtiofsd/passthrough_ll.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index 3e9bbc7a04..0c11134fb5 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -3525,6 +3525,10 @@ int main(int argc, char *argv[])
}
} else {
lo.source = strdup("/");
+ if (!lo.source) {
+ fuse_log(FUSE_LOG_ERR, "failed to strdup source\n");
+ goto err_out1;
+ }
}
if (lo.xattrmap) {
--