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author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2024-01-20 12:42:12 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2024-01-22 15:04:22 +0300 |
commit | 1ac1b4b79bf51edcf4f25a1980334bd467880e7d (patch) | |
tree | ebc22722dec4e8aa8a48dfabbdd59073e0d0de01 /sound/synth | |
parent | 1513664f340289cf10402753110f3cff12a738aa (diff) | |
download | linux-1ac1b4b79bf51edcf4f25a1980334bd467880e7d.tar.xz |
ALSA: synth: Save a few bytes of memory when registering a 'snd_emux'
snd_emux_register() calls pass a string literal as the 'name' parameter.
So kstrdup_const() can be used instead of kfree() to avoid a memory
allocation in such cases.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/9e7b94c852a25ed4be5382e5e48a7dd77e8d4d1a.1705743706.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/synth')
-rw-r--r-- | sound/synth/emux/emux.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/synth/emux/emux.c b/sound/synth/emux/emux.c index 0006c3ddb51d..a82af9374852 100644 --- a/sound/synth/emux/emux.c +++ b/sound/synth/emux/emux.c @@ -85,7 +85,7 @@ int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, ch return -EINVAL; emu->card = card; - emu->name = kstrdup(name, GFP_KERNEL); + emu->name = kstrdup_const(name, GFP_KERNEL); emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice), GFP_KERNEL); if (emu->name == NULL || emu->voices == NULL) @@ -140,7 +140,7 @@ int snd_emux_free(struct snd_emux *emu) snd_emux_delete_hwdep(emu); snd_sf_free(emu->sflist); kfree(emu->voices); - kfree(emu->name); + kfree_const(emu->name); kfree(emu); return 0; } |