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Staging: hv: vmbus: Properly handle memory allocation failure in channel.c
Properly handle memory allocation failure in channel.c. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Abhishek Kane <v-abkane@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -355,9 +355,24 @@ static int create_gpadl_header(void *kbuffer, u32 size,
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sizeof(struct vmbus_channel_gpadl_body) +
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pfncurr * sizeof(u64);
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msgbody = kzalloc(msgsize, GFP_KERNEL);
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/* FIXME: we probably need to more if this fails */
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if (!msgbody)
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if (!msgbody) {
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struct vmbus_channel_msginfo *pos = NULL;
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struct vmbus_channel_msginfo *tmp = NULL;
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/*
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* Free up all the allocated messages.
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*/
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list_for_each_entry_safe(pos, tmp,
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&msgheader->submsglist,
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msglistentry) {
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list_del(&pos->msglistentry);
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kfree(pos);
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}
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goto nomem;
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}
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msgbody->msgsize = msgsize;
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(*messagecount)++;
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gpadl_body =
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