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SUNRPC: remove BUG_ON in xdr_shrink_bufhead

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Replace bounds checking BUG_ON() with a WARN_ON_ONCE() and resetting
the requested len to the max.

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Weston Andros Adamson
2012-10-23 10:43:42 -04:00
committed by Trond Myklebust
parent b25cd058f2
commit 18e624ad03
1 changed files with 4 additions and 1 deletions
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5
net/sunrpc/xdr.c
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@@ -318,7 +318,10 @@ xdr_shrink_bufhead(struct xdr_buf *buf, size_t len)
tail = buf->tail; tail = buf->tail;
head = buf->head; head = buf->head;
BUG_ON (len > head->iov_len);
WARN_ON_ONCE(len > head->iov_len);
if (len > head->iov_len)
len = head->iov_len;
/* Shift the tail first */ /* Shift the tail first */
if (tail->iov_len != 0) { if (tail->iov_len != 0) {