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authorBernard Xiong <[email protected]>2018-12-10 09:21:10 +0800
committerGitHub <[email protected]>2018-12-10 09:21:10 +0800
commit09a9e82fef8315895a0b87dbef1ab663a2d62de3 (patch)
tree9da851e3fff81ee853e11d1ddda4c34cd70ca639
parent506ccc573cf43c337bbd1069f146eabb3cd113dd (diff)
parent56c0df1e58a231750ebfbc93401a4b6f42f99ffb (diff)
Merge pull request #2050 from jesven/lwp-mcore
修正dfs在fd_get时,未检查有效性的问题
-rw-r--r--components/dfs/src/dfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/dfs/src/dfs.c b/components/dfs/src/dfs.c
index 38a1813421..cf0b2b0ef9 100644
--- a/components/dfs/src/dfs.c
+++ b/components/dfs/src/dfs.c
@@ -221,7 +221,7 @@ struct dfs_fd *fd_get(int fd)
d = fdt->fds[fd];
/* check dfs_fd valid or not */
- if (d->magic != DFS_FD_MAGIC)
+ if ((d == NULL) || (d->magic != DFS_FD_MAGIC))
{
dfs_unlock();
return NULL;