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authorMaurizio Lombardi <mlombard@redhat.com>2023-01-31 19:38:42 +0300
committerChristoph Hellwig <hch@lst.de>2023-02-01 16:18:46 +0300
commit6fbf13c0e24fd86ab2e4477cd8484a485b687421 (patch)
treef37bec06abb0db4ed0b435ea3e228798cb6abd51 /drivers/nvme
parentfd62678ab55cb01e11a404d302cdade222bf4022 (diff)
downloadlinux-6fbf13c0e24fd86ab2e4477cd8484a485b687421.tar.xz
nvme: clear the request_queue pointers on failure in nvme_alloc_io_tag_set
In nvme_alloc_io_tag_set(), the connect_q pointer should be set to NULL in case of error to avoid potential invalid pointer dereferences. Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 1c333ce64bd4..c777f56a9e74 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4956,6 +4956,7 @@ int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
out_free_tag_set:
blk_mq_free_tag_set(set);
+ ctrl->connect_q = NULL;
return ret;
}
EXPORT_SYMBOL_GPL(nvme_alloc_io_tag_set);