[alsa-devel] [PATCH] ALSA: control: evaluate macro instead of numerical value
SNDRV_CTL_TLV_OP_XXX is defined but not used in core code. Instead, raw numerical value is evaluated.
This commit replaces these values to these macros for better looking.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/core/control.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/sound/core/control.c b/sound/core/control.c index 8aae6ea..6a72b3e 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1077,7 +1077,7 @@ static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kcontrol, int change = 0; void *new_data;
- if (op_flag > 0) { + if (op_flag == SNDRV_CTL_TLV_OP_WRITE) { if (size > 1024 * 128) /* sane value */ return -EINVAL;
@@ -1333,9 +1333,12 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file, goto __kctl_end; } vd = &kctl->vd[tlv.numid - kctl->id.numid]; - if ((op_flag == 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) == 0) || - (op_flag > 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) == 0) || - (op_flag < 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND) == 0)) { + if ((op_flag == SNDRV_CTL_TLV_OP_READ && + (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) == 0) || + (op_flag == SNDRV_CTL_TLV_OP_WRITE && + (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) == 0) || + (op_flag == SNDRV_CTL_TLV_OP_CMD && + (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND) == 0)) { err = -ENXIO; goto __kctl_end; } @@ -1352,7 +1355,7 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file, return 0; } } else { - if (op_flag) { + if (op_flag != SNDRV_CTL_TLV_OP_READ) { err = -ENXIO; goto __kctl_end; }
At Tue, 10 Feb 2015 00:02:27 +0900, Takashi Sakamoto wrote:
SNDRV_CTL_TLV_OP_XXX is defined but not used in core code. Instead, raw numerical value is evaluated.
This commit replaces these values to these macros for better looking.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp
Applied, thanks.
Takashi
sound/core/control.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/sound/core/control.c b/sound/core/control.c index 8aae6ea..6a72b3e 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1077,7 +1077,7 @@ static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kcontrol, int change = 0; void *new_data;
- if (op_flag > 0) {
- if (op_flag == SNDRV_CTL_TLV_OP_WRITE) { if (size > 1024 * 128) /* sane value */ return -EINVAL;
@@ -1333,9 +1333,12 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file, goto __kctl_end; } vd = &kctl->vd[tlv.numid - kctl->id.numid];
- if ((op_flag == 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) == 0) ||
(op_flag > 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) == 0) ||
(op_flag < 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND) == 0)) {
- if ((op_flag == SNDRV_CTL_TLV_OP_READ &&
(vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) == 0) ||
(op_flag == SNDRV_CTL_TLV_OP_WRITE &&
(vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) == 0) ||
(op_flag == SNDRV_CTL_TLV_OP_CMD &&
}(vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND) == 0)) { err = -ENXIO; goto __kctl_end;
@@ -1352,7 +1355,7 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file, return 0; } } else {
if (op_flag) {
}if (op_flag != SNDRV_CTL_TLV_OP_READ) { err = -ENXIO; goto __kctl_end;
-- 2.1.0
participants (2)
-
Takashi Iwai
-
Takashi Sakamoto