mirror of https://gitee.com/openkylin/linux.git
[PATCH] fix create_write_pipe() error check
The return value of create_write_pipe()/create_read_pipe() should be checked by IS_ERR(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -307,14 +307,14 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
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return 0;
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f = create_write_pipe();
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if (!f)
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return -ENOMEM;
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if (IS_ERR(f))
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return PTR_ERR(f);
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*filp = f;
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f = create_read_pipe(f);
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if (!f) {
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if (IS_ERR(f)) {
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free_write_pipe(*filp);
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return -ENOMEM;
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return PTR_ERR(f);
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}
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sub_info.stdin = f;
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