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ALSA: pcm: Fix the previous conversion to kstrtoul()

Message ID 20240901134524.27107-1-tiwai@suse.de (mailing list archive)
State Accepted
Commit 43b42ed438bfff6bb5a51cc27a1658c03cd223fd
Headers show
Series ALSA: pcm: Fix the previous conversion to kstrtoul() | expand

Commit Message

Takashi Iwai Sept. 1, 2024, 1:45 p.m. UTC
The previous replacement from simple_strtoul() to kstrtoul() forgot
that the passed pointer must be an unsigned long int pointer, while
the value used there is a sized_t pointer.  Fix it.

Fixes: 61bc4deff033 ("ALSA: pcm: replace simple_strtoul to kstrtoul")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409010425.YPS7cWeJ-lkp@intel.com/
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/pcm_memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Hongbo Li Sept. 2, 2024, 1:19 a.m. UTC | #1
On 2024/9/1 21:45, Takashi Iwai wrote:
> The previous replacement from simple_strtoul() to kstrtoul() forgot
> that the passed pointer must be an unsigned long int pointer, while
> the value used there is a sized_t pointer.  Fix it.
> 
> Fixes: 61bc4deff033 ("ALSA: pcm: replace simple_strtoul to kstrtoul")
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202409010425.YPS7cWeJ-lkp@intel.com/
> Signed-off-by: Takashi Iwai <tiwai@suse.de>
> ---
>   sound/core/pcm_memory.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
> index 73d4fc49a0ca..5001181208df 100644
> --- a/sound/core/pcm_memory.c
> +++ b/sound/core/pcm_memory.c
> @@ -183,7 +183,7 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
>   	struct snd_pcm_substream *substream = entry->private_data;
>   	struct snd_card *card = substream->pcm->card;
>   	char line[64], str[64];
> -	size_t size;
> +	unsigned long size;

Sorry, I haven't noticed this.

Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
>   	struct snd_dma_buffer new_dmab;
>   
>   	guard(mutex)(&substream->pcm->open_mutex);
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Patch

diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index 73d4fc49a0ca..5001181208df 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -183,7 +183,7 @@  static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
 	struct snd_pcm_substream *substream = entry->private_data;
 	struct snd_card *card = substream->pcm->card;
 	char line[64], str[64];
-	size_t size;
+	unsigned long size;
 	struct snd_dma_buffer new_dmab;
 
 	guard(mutex)(&substream->pcm->open_mutex);