From: Marcelo Feitoza Parisi Use of the time_after() macro, defined at linux/jiffies.h, which deals with wrapping correctly and are nicer to read. Signed-off-by: Marcelo Feitoza Parisi Signed-off-by: Domen Puncer Signed-off-by: Andrew Morton --- drivers/char/lp.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletion(-) diff -puN drivers/char/lp.c~drivers-char-lpc-use-of-the-time_after-macro drivers/char/lp.c --- devel/drivers/char/lp.c~drivers-char-lpc-use-of-the-time_after-macro 2005-08-03 21:46:45.000000000 -0700 +++ devel-akpm/drivers/char/lp.c 2005-08-03 21:46:45.000000000 -0700 @@ -128,6 +128,7 @@ #include #include #include +#include #include #undef LP_STATS @@ -307,7 +308,7 @@ static ssize_t lp_write(struct file * fi (LP_F(minor) & LP_ABORT)); #ifdef LP_STATS - if (jiffies-lp_table[minor].lastcall > LP_TIME(minor)) + if (time_after(jiffies, lp_table[minor].lastcall + LP_TIME(minor))) lp_table[minor].runchars = 0; lp_table[minor].lastcall = jiffies; _