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fs: Ensure fs_dupfd2 always return fd2 in the sucessful path

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it's wrong to return file_dup2 directly since file_dup2 never return file handle

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I943537849c75d83b3d646a6a22f035187d9fd521
This commit is contained in:
Xiang Xiao 2021-01-02 21:36:31 +08:00
parent 351bbad39a
commit 79bd6b4c3f
1 changed files with 7 additions and 1 deletions
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8
fs/vfs/fs_dupfd2.c
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@ -85,5 +85,11 @@ int fs_dupfd2(int fd1, int fd2)
/* Perform the dup2 operation */
return file_dup2(filep1, filep2);
ret = file_dup2(filep1, filep2);
if (ret < 0)
{
return ret;
}
return fd2;
}