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cxl: Fix error handling in _cxl_cx4_setup_msi_irqs() 

'cxl_dev_context_init()' returns an error pointer in case of error, not
NULL. So test it with IS_ERR.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Jaillet 2016-10-30 22:34:51 +01:00 committed by Michael Ellerman
parent 5cd4f5cec2
commit 28e323e5a0
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/cxl/api.c
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@ -538,7 +538,7 @@ int _cxl_cx4_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
if (remaining > 0) {
new_ctx = cxl_dev_context_init(pdev);
if (!new_ctx) {
if (IS_ERR(new_ctx)) {
pr_warn("%s: Failed to allocate enough contexts for MSIs\n", pci_name(pdev));
return -ENOSPC;
}