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authorPan Bian <bianpan2016@163.com>2016-12-01 05:10:46 +0300
committerJens Axboe <axboe@fb.com>2016-12-01 18:01:14 +0300
commit5b0e34e1949ed580ac330041dccb0334b926554e (patch)
tree6ed363eecdcb05bdb2eb793a71f8c4bc34ee23c6 /tools/laptop
parentd262920998c891dfd87cf73f823f0ff60e20cdad (diff)
downloadlinux-5b0e34e1949ed580ac330041dccb0334b926554e.tar.xz
block: mtip32xx: set error code on failure
Fix bug https://bugzilla.kernel.org/show_bug.cgi?id=188531. In function mtip_block_initialize(), variable rv takes the return value, and its value should be negative on errors. rv is initialized as 0 and is not reset when the call to ida_pre_get() fails. So 0 may be returned. The return value 0 indicates that there is no error, which may be inconsistent with the execution status. This patch fixes the bug by explicitly assigning -ENOMEM to rv on the branch that ida_pre_get() fails. Signed-off-by: Pan Bian <bianpan2016@163.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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