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cxl: Fix memory allocation failure test 

'cxl_context_alloc()' does not return an error pointer. It is just a
shortcut for a call to 'kzalloc' with 'sizeof(struct cxl_context)' as the
size parameter.

So its return value should be compared with NULL.
While fixing it, simplify a bit the code.

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 20:35:57 +01:00 committed by Michael Ellerman
parent 7458e8b2ce
commit 5cd4f5cec2
1 changed files with 2 additions and 5 deletions
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7
drivers/misc/cxl/api.c
View File

@ -30,10 +30,8 @@ struct cxl_context *cxl_dev_context_init(struct pci_dev *dev)
return ERR_CAST(afu);
ctx = cxl_context_alloc();
if (IS_ERR(ctx)) {
rc = PTR_ERR(ctx);
goto err_dev;
}
if (!ctx)
return ERR_PTR(-ENOMEM);
ctx->kernelapi = true;
@ -61,7 +59,6 @@ err_mapping:
kfree(mapping);
err_ctx:
kfree(ctx);
err_dev:
return ERR_PTR(rc);
}
EXPORT_SYMBOL_GPL(cxl_dev_context_init);