Re: [PATCH] mISDN: fix crash in fritzpci

2021-03-11 Thread patchwork-bot+netdevbpf
Hello: This patch was applied to netdev/net.git (refs/heads/master): On Wed, 10 Mar 2021 23:27:35 -0500 you wrote: > setup_fritz() in avmfritz.c might fail with -EIO and in this case the > isac.type and isac.write_reg is not initialized and remains 0(NULL). > A subsequent call to isac_release() w

[PATCH] mISDN: fix crash in fritzpci

2021-03-10 Thread Tong Zhang
setup_fritz() in avmfritz.c might fail with -EIO and in this case the isac.type and isac.write_reg is not initialized and remains 0(NULL). A subsequent call to isac_release() will dereference isac->write_reg and crash. [1.737444] BUG: kernel NULL pointer dereference, address: