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Staging: hv: vmbus: Properly handle memory allocation failure in channel.c

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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>
This commit is contained in:
K. Y. Srinivasan 2011-06-06 15:50:06 -07:00 committed by Greg Kroah-Hartman
parent 40961de335
commit f38cf9ccd6
1 changed files with 17 additions and 2 deletions
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19
drivers/staging/hv/channel.c
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@ -355,9 +355,24 @@ static int create_gpadl_header(void *kbuffer, u32 size,
sizeof(struct vmbus_channel_gpadl_body) + sizeof(struct vmbus_channel_gpadl_body) +
pfncurr * sizeof(u64); pfncurr * sizeof(u64);
msgbody = kzalloc(msgsize, GFP_KERNEL); msgbody = kzalloc(msgsize, GFP_KERNEL);
/* FIXME: we probably need to more if this fails */
if (!msgbody) if (!msgbody) {
struct vmbus_channel_msginfo *pos = NULL;
struct vmbus_channel_msginfo *tmp = NULL;
/*
* Free up all the allocated messages.
*/
list_for_each_entry_safe(pos, tmp,
&msgheader->submsglist,
msglistentry) {
list_del(&pos->msglistentry);
kfree(pos);
}
goto nomem; goto nomem;
}
msgbody->msgsize = msgsize; msgbody->msgsize = msgsize;
(*messagecount)++; (*messagecount)++;
gpadl_body = gpadl_body =