mirror of https://gitee.com/openkylin/linux.git
V4L/DVB (7306): pvrusb2: Fix oops possible when claiming a NULL stream
Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -173,7 +173,7 @@ int pvr2_channel_claim_stream(struct pvr2_channel *cp,
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int code = 0;
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pvr2_context_enter(cp->mc_head); do {
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if (sp == cp->stream) break;
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if (sp->user) {
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if (sp && sp->user) {
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code = -EBUSY;
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break;
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}
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