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8d68100ab4
Currently there are some issues with the ucc_of_parse_tdm function: 1, a possible null pointer dereference in ucc_of_parse_tdm, detected by the semantic patch deref_null.cocci, with the following warning: drivers/soc/fsl/qe/qe_tdm.c:177:21-24: ERROR: pdev is NULL but dereferenced. 2, dev gets modified, so in any case that devm_iounmap() will fail even when the new pdev is valid, because the iomap was done with a different pdev. 3, there is no driver bind with the "fsl,t1040-qe-si" or "fsl,t1040-qe-siram" device. So allocating resources using devm_*() with these devices won't provide a cleanup path for these resources when the caller fails. This patch fixes them. Suggested-by: Li Yang <leoyang.li@nxp.com> Suggested-by: Christophe LEROY <christophe.leroy@c-s.fr> Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Reviewed-by: Peng Hao <peng.hao2@zte.com.cn> CC: Julia Lawall <julia.lawall@lip6.fr> CC: Zhao Qiang <qiang.zhao@nxp.com> CC: David S. Miller <davem@davemloft.net> CC: netdev@vger.kernel.org CC: linuxppc-dev@lists.ozlabs.org CC: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net> |
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