From: Jiri Slaby Don't emit warnings on 64 bit platforms from min(). sizeof() on those is not uint, neither 2 pointers difference, cast it to uint by min_t in both cases. Signed-off-by: Jiri Slaby Cc: Alan Cox Signed-off-by: Andrew Morton --- drivers/char/stallion.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff -puN drivers/char/stallion.c~char-stallion-fix-compiler-warnings drivers/char/stallion.c --- a/drivers/char/stallion.c~char-stallion-fix-compiler-warnings +++ a/drivers/char/stallion.c @@ -3546,7 +3546,8 @@ static void stl_cd1400txisr(struct stlpa } else { len = min(len, CD1400_TXFIFOSIZE); portp->stats.txtotal += len; - stlen = min(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); + stlen = min_t(unsigned int, len, + (portp->tx.buf + STL_TXBUFSIZE) - tail); outb((TDR + portp->uartaddr), ioaddr); outsb((ioaddr + EREG_DATA), tail, stlen); len -= stlen; @@ -3599,7 +3600,7 @@ static void stl_cd1400rxisr(struct stlpa outb((RDCR + portp->uartaddr), ioaddr); len = inb(ioaddr + EREG_DATA); if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { - len = min(len, sizeof(stl_unwanted)); + len = min_t(unsigned int, len, sizeof(stl_unwanted)); outb((RDSR + portp->uartaddr), ioaddr); insb((ioaddr + EREG_DATA), &stl_unwanted[0], len); portp->stats.rxlost += len; @@ -4465,7 +4466,8 @@ static void stl_sc26198txisr(struct stlp } else { len = min(len, SC26198_TXFIFOSIZE); portp->stats.txtotal += len; - stlen = min(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); + stlen = min_t(unsigned int, len, + (portp->tx.buf + STL_TXBUFSIZE) - tail); outb(GTXFIFO, (ioaddr + XP_ADDR)); outsb((ioaddr + XP_DATA), tail, stlen); len -= stlen; @@ -4506,7 +4508,7 @@ static void stl_sc26198rxisr(struct stlp if ((iack & IVR_TYPEMASK) == IVR_RXDATA) { if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { - len = min(len, sizeof(stl_unwanted)); + len = min_t(unsigned int, len, sizeof(stl_unwanted)); outb(GRXFIFO, (ioaddr + XP_ADDR)); insb((ioaddr + XP_DATA), &stl_unwanted[0], len); portp->stats.rxlost += len; _