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authorNathan Chancellor <natechancellor@gmail.com>2020-08-17 23:49:25 -0700
committerJens Axboe <axboe@kernel.dk>2020-08-21 17:09:11 -0600
commit17bc10300c69bd51b82983cdadafa0a7791f074e (patch)
tree664152b89d4e4e6ca9c1b6379ca522a5704867a6 /block
parent2de791ab4918969d8108f15238a701968375f235 (diff)
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block/rnbd: Ensure err is always initialized in process_rdma
Clang warns: drivers/block/rnbd/rnbd-srv.c:150:6: warning: variable 'err' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (IS_ERR(bio)) { ^~~~~~~~~~~ drivers/block/rnbd/rnbd-srv.c:177:9: note: uninitialized use occurs here return err; ^~~ drivers/block/rnbd/rnbd-srv.c:150:2: note: remove the 'if' if its condition is always false if (IS_ERR(bio)) { ^~~~~~~~~~~~~~~~~~ drivers/block/rnbd/rnbd-srv.c:126:9: note: initialize the variable 'err' to silence this warning int err; ^ = 0 1 warning generated. err is indeed uninitialized when this statement is taken. Ensure that it is assigned the error value of bio before jumping to the error handling label. Fixes: 735d77d4fd28 ("rnbd: remove rnbd_dev_submit_io") Reported-by: Brooke Basile <brookebasile@gmail.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com> Link: https://github.com/ClangBuiltLinux/linux/issues/1134 Signed-off-by: Jens Axboe <axboe@kernel.dk>
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