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authorThomas Gleixner <tglx@linutronix.de>2011-05-20 20:06:24 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-20 20:08:05 +0200
commit250f972d85effad5b6e10da4bbd877e6a4b503b6 (patch)
tree007393a6fc6439af7e0121dd99a6f9f9fb8405bc /drivers/net/sfc/nic.c
parent7372b0b122af0f6675f3ab65bfd91c8a438e0480 (diff)
parentbbe7b8bef48c567f5ff3f6041c1fb011292e8f12 (diff)
downloadblackbird-op-linux-250f972d85effad5b6e10da4bbd877e6a4b503b6.tar.gz
blackbird-op-linux-250f972d85effad5b6e10da4bbd877e6a4b503b6.zip
Merge branch 'timers/urgent' into timers/core
Reason: Get upstream fixes and kfree_rcu which is necessary for a follow up patch. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/net/sfc/nic.c')
-rw-r--r--drivers/net/sfc/nic.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index 10f1cb79c147..9b29a8d7c449 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -1937,6 +1937,13 @@ void efx_nic_get_regs(struct efx_nic *efx, void *buf)
size = min_t(size_t, table->step, 16);
+ if (table->offset >= efx->type->mem_map_size) {
+ /* No longer mapped; return dummy data */
+ memcpy(buf, "\xde\xc0\xad\xde", 4);
+ buf += table->rows * size;
+ continue;
+ }
+
for (i = 0; i < table->rows; i++) {
switch (table->step) {
case 4: /* 32-bit register or SRAM */
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