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s390/con3270: testing return kzalloc retval

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Return value from kzalloc is not tested and
using a null pointer would lead to crash.

Even if this should not happen at this moment, we
may let the system decide if there is a better choice.

Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Pierre Morel 2015-12-21 15:31:06 +01:00 committed by Martin Schwidefsky
parent c967e1df16
commit cf61393f4a
1 changed files with 2 additions and 0 deletions
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2
drivers/s390/char/con3270.c
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@ -606,6 +606,8 @@ con3270_init(void)
return PTR_ERR(rp);
condev = kzalloc(sizeof(struct con3270), GFP_KERNEL | GFP_DMA);
if (!condev)
return -ENOMEM;
condev->view.dev = rp;
condev->read = raw3270_request_alloc(0);