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| author | David S. Miller <davem@davemloft.net> | 2019-06-22 15:59:24 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-22 15:59:24 +0300 |
| commit | 92ad6325cb891bb455487bfe90cc47d18aa6ec37 (patch) | |
| tree | 433a7ef938fae69789216043f67eff9f9c6b0c68 /drivers/infiniband/hw/hfi1/fault.c | |
| parent | e0effb5fbd56a8b2b8917611cbf4fcd9aba92b8f (diff) | |
| parent | c356dc4b540edd6c02b409dd8cf3208ba2804c38 (diff) | |
| download | linux-92ad6325cb891bb455487bfe90cc47d18aa6ec37.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor SPDX change conflict.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/fault.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/fault.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/fault.c b/drivers/infiniband/hw/hfi1/fault.c index 3fd3315d0fb0..93613e5def9b 100644 --- a/drivers/infiniband/hw/hfi1/fault.c +++ b/drivers/infiniband/hw/hfi1/fault.c @@ -153,6 +153,7 @@ static ssize_t fault_opcodes_write(struct file *file, const char __user *buf, char *dash; unsigned long range_start, range_end, i; bool remove = false; + unsigned long bound = 1U << BITS_PER_BYTE; end = strchr(ptr, ','); if (end) @@ -178,6 +179,10 @@ static ssize_t fault_opcodes_write(struct file *file, const char __user *buf, BITS_PER_BYTE); break; } + /* Check the inputs */ + if (range_start >= bound || range_end >= bound) + break; + for (i = range_start; i <= range_end; i++) { if (remove) clear_bit(i, fault->opcodes); |