From baed16a7ff5194487764db300c2753ac7409c4c5 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 8 Sep 2005 13:40:41 -0700 Subject: [AX.25]: Make asc2ax() thread-proof Asc2ax was still using a static buffer for all invocations which isn't exactly SMP-safe. Change asc2ax to take an additional result buffer as the argument. Change all callers to provide such a buffer. This one only really is a fix for ROSE and as per recent discussions there's still much more to fix in ROSE ... Signed-off-by: Ralf Baechle DL5RB Signed-off-by: David S. Miller --- net/ax25/ax25_addr.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) (limited to 'net/ax25') diff --git a/net/ax25/ax25_addr.c b/net/ax25/ax25_addr.c index dca179daf415..0164a155b8c4 100644 --- a/net/ax25/ax25_addr.c +++ b/net/ax25/ax25_addr.c @@ -67,37 +67,34 @@ char *ax2asc(char *buf, ax25_address *a) /* * ascii -> ax25 conversion */ -ax25_address *asc2ax(char *callsign) +void asc2ax(ax25_address *addr, char *callsign) { - static ax25_address addr; char *s; int n; for (s = callsign, n = 0; n < 6; n++) { if (*s != '\0' && *s != '-') - addr.ax25_call[n] = *s++; + addr->ax25_call[n] = *s++; else - addr.ax25_call[n] = ' '; - addr.ax25_call[n] <<= 1; - addr.ax25_call[n] &= 0xFE; + addr->ax25_call[n] = ' '; + addr->ax25_call[n] <<= 1; + addr->ax25_call[n] &= 0xFE; } if (*s++ == '\0') { - addr.ax25_call[6] = 0x00; - return &addr; + addr->ax25_call[6] = 0x00; + return; } - addr.ax25_call[6] = *s++ - '0'; + addr->ax25_call[6] = *s++ - '0'; if (*s != '\0') { - addr.ax25_call[6] *= 10; - addr.ax25_call[6] += *s++ - '0'; + addr->ax25_call[6] *= 10; + addr->ax25_call[6] += *s++ - '0'; } - addr.ax25_call[6] <<= 1; - addr.ax25_call[6] &= 0x1E; - - return &addr; + addr->ax25_call[6] <<= 1; + addr->ax25_call[6] &= 0x1E; } /* -- cgit v1.2.3-59-g8ed1b