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authorLinus Torvalds <torvalds@linux-foundation.org>2015-07-01 07:47:12 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-07-01 07:47:12 +0300
commit05a8256c586ab75bcd6b793737b2022a1a98cb1e (patch)
tree2f25fcae0d63a0bfbfa16d887eb518d8d5c226e2 /drivers/tty
parent0161b6e0d88e04f54ada7112bb2dad1f3ae472af (diff)
parent5316a64ce518f850afb0fca322b85b6dff3cb59f (diff)
downloadlinux-05a8256c586ab75bcd6b793737b2022a1a98cb1e.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile updates from Chris Metcalf: "These are a grab bag of changes to improve debugging and respond to a variety of issues raised on LKML over the last couple of months" * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: tile: avoid a "label not used" warning in do_page_fault() tile: vdso: use raw_read_seqcount_begin() in vdso tile: force CONFIG_TILEGX if ARCH != tilepro tile: improve stack backtrace tile: fix "odd fault" warning for stack backtraces tile: set up initial stack top to honor STACK_TOP_DELTA tile: support delivering NMIs for multicore backtrace drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN tile: add <asm/word-at-a-time.h> and enable support functions tile: use READ_ONCE() in arch_spin_is_locked() tile: modify arch_spin_unlock_wait() semantics
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/hvc/hvc_tile.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvc_tile.c b/drivers/tty/hvc/hvc_tile.c
index 3f6cd3102db5..9da1e842bbe9 100644
--- a/drivers/tty/hvc/hvc_tile.c
+++ b/drivers/tty/hvc/hvc_tile.c
@@ -51,7 +51,8 @@ int tile_console_write(const char *buf, int count)
_SIM_CONTROL_OPERATOR_BITS));
return 0;
} else {
- return hv_console_write((HV_VirtAddr)buf, count);
+ /* Translate 0 bytes written to EAGAIN for hvc_console_print. */
+ return hv_console_write((HV_VirtAddr)buf, count) ?: -EAGAIN;
}
}