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RDMA/cache: Release GID table even if leak is detected

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[ Upstream commit a92fbeac7e ]

When the table is released, we nullify pointer to GID table, it means
that in case GID entry leak is detected, we will leak table too.

Delete code that prevents table destruction.

Fixes: b150c3862d ("IB/core: Introduce GID entry reference counts")
Link: https://lore.kernel.org/r/a62560af06ba82c88ef9194982bfa63d14768ff9.1716900410.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Leon Romanovsky 2024-05-28 15:52:51 +03:00 committed by Greg Kroah-Hartman
parent 9cc5d640d2
commit 77765f8fc0
1 changed files with 5 additions and 9 deletions
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14
drivers/infiniband/core/cache.c
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@ -794,7 +794,6 @@ err_free_table:
static void release_gid_table(struct ib_device *device,
struct ib_gid_table *table)
{
bool leak = false;
int i;
if (!table)
@ -803,15 +802,12 @@ static void release_gid_table(struct ib_device *device,
for (i = 0; i < table->sz; i++) {
if (is_gid_entry_free(table->data_vec[i]))
continue;
if (kref_read(&table->data_vec[i]->kref) > 1) {
dev_err(&device->dev,
"GID entry ref leak for index %d ref=%u\n", i,
kref_read(&table->data_vec[i]->kref));
leak = true;
}
WARN_ONCE(true,
"GID entry ref leak for dev %s index %d ref=%u\n",
dev_name(&device->dev), i,
kref_read(&table->data_vec[i]->kref));
}
if (leak)
return;
mutex_destroy(&table->lock);
kfree(table->data_vec);