Re: [uml-devel] [PATCH 1/1] uml: replace kmalloc() in line.c

[Jan Kiszka <jan.kiszka@web.de>]

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Tiger Yang wrote:
> This patch replace kmalloc() with uml_kmalloc() in line.c and
> remove an unused variable.

This driver does not require the wrapping. I'll post a patch to unbreak
uml build in a minute.

Jan

> 
> Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
> ---
>  arch/um/drivers/line.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
> index 64cda95..616a1f3 100644
> --- a/arch/um/drivers/line.c
> +++ b/arch/um/drivers/line.c
> @@ -11,6 +11,7 @@
>  #include "irq_user.h"
>  #include "kern_util.h"
>  #include "os.h"
> +#include "um_malloc.h"
>  
>  #define LINE_BUFSIZE 4096
>  
> @@ -18,7 +19,6 @@ static irqreturn_t line_interrupt(int irq, void *data)
>  {
>  	struct chan *chan = data;
>  	struct line *line = chan->line;
> -	struct tty_struct *tty;
>  
>  	if (line)
>  		chan_interrupt(&line->chan_list, &line->task, line->tty, irq);
> @@ -95,7 +95,7 @@ static int buffer_data(struct line *line, const char *buf, int len)
>  	int end, room;
>  
>  	if (line->buffer == NULL) {
> -		line->buffer = kmalloc(LINE_BUFSIZE, GFP_ATOMIC);
> +		line->buffer = uml_kmalloc(LINE_BUFSIZE, UM_GFP_ATOMIC);
>  		if (line->buffer == NULL) {
>  			printk(KERN_ERR "buffer_data - atomic allocation "
>  			       "failed\n");
> @@ -782,7 +782,7 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty,
>  {
>  	struct winch *winch;
>  
> -	winch = kmalloc(sizeof(*winch), GFP_KERNEL);
> +	winch = uml_kmalloc(sizeof(*winch), UM_GFP_KERNEL);
>  	if (winch == NULL) {
>  		printk(KERN_ERR "register_winch_irq - kmalloc failed\n");
>  		goto cleanup;
> @@ -861,7 +861,7 @@ char *add_xterm_umid(char *base)
>  		return base;
>  
>  	len = strlen(base) + strlen(" ()") + strlen(umid) + 1;
> -	title = kmalloc(len, GFP_KERNEL);
> +	title = uml_kmalloc(len, UM_GFP_KERNEL);
>  	if (title == NULL) {
>  		printk(KERN_ERR "Failed to allocate buffer for xterm title\n");
>  		return base;



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