diff options
| author | David S. Miller <davem@davemloft.net> | 2017-06-06 22:20:08 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-06 22:20:08 -0400 |
| commit | 216fe8f021e33c36e3b27c49c9f1951f6b037d7f (patch) | |
| tree | a43daec41b4d3955e7a4f8d0ed0654a7c80527ec /drivers/char/random.c | |
| parent | 9747e2313838ee8f5d8073fd6aa7289255c3c51b (diff) | |
| parent | b29794ec95c6856b316c2295904208bf11ffddd9 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Just some simple overlapping changes in marvell PHY driver
and the DSA core code.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/char/random.c')
| -rw-r--r-- | drivers/char/random.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index 0ab024918907..a561f0c2f428 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1097,12 +1097,16 @@ static void add_interrupt_bench(cycles_t start) static __u32 get_reg(struct fast_pool *f, struct pt_regs *regs) { __u32 *ptr = (__u32 *) regs; + unsigned long flags; if (regs == NULL) return 0; + local_irq_save(flags); if (f->reg_idx >= sizeof(struct pt_regs) / sizeof(__u32)) f->reg_idx = 0; - return *(ptr + f->reg_idx++); + ptr += f->reg_idx++; + local_irq_restore(flags); + return *ptr; } void add_interrupt_randomness(int irq, int irq_flags) |