Commit b76482e76560345c00e7d6c89199ced204a926d2
1 parent
ef056e43
Fix buffer mux handling for unconnected serial ports
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3737 c046a42c-6fe2-441c-8c8c-71466251a162
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hw/slavio_serial.c
@@ -475,7 +475,8 @@ static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr) | @@ -475,7 +475,8 @@ static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr) | ||
475 | else | 475 | else |
476 | ret = s->rx; | 476 | ret = s->rx; |
477 | SER_DPRINTF("Read channel %c, ch %d\n", CHN_C(s), ret); | 477 | SER_DPRINTF("Read channel %c, ch %d\n", CHN_C(s), ret); |
478 | - qemu_chr_accept_input(s->chr); | 478 | + if (s->chr) |
479 | + qemu_chr_accept_input(s->chr); | ||
479 | return ret; | 480 | return ret; |
480 | default: | 481 | default: |
481 | break; | 482 | break; |