V4L/DVB: dvb-usb: gp8psk, fix potential null derefernce
Stanse found that in gp8psk_load_bcm4500fw there is missing a check for return value of kmalloc. Add one and bail out appropriatelly. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -105,6 +105,10 @@ static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d)
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ptr = fw->data;
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buf = kmalloc(64, GFP_KERNEL | GFP_DMA);
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if (!buf) {
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ret = -ENOMEM;
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goto out_rel_fw;
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}
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while (ptr[0] != 0xff) {
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u16 buflen = ptr[0] + 4;
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