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cxl: Add missing return to cdat read error path

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Add a return to the error path when cxl_cdat_read_table() fails. Current
code continues with the table pointer points to freed memory.

Fixes: 7a877c9239 ("cxl/pci: Simplify CDAT retrieval error path")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/168382793506.3510737.4792518576623749076.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang
2023-05-13 00:20:06 -07:00
committed by Dan Williams
parent 270205be71
commit 764d102ef9
1 changed files with 1 additions and 0 deletions
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1
drivers/cxl/core/pci.c
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@@ -571,6 +571,7 @@ void read_cdat_data(struct cxl_port *port)
/* Don't leave table data allocated on error */
devm_kfree(dev, cdat_table);
dev_err(dev, "CDAT data read error\n");
return;
}
port->cdat.table = cdat_table + sizeof(__le32);