Partially restructures _snd_emu10k1_audigy_init_efx() and _snd_emu10k1_init_efx() functions.
Removes useless casting (void *) from value returned by kcalloc; see Documentation/CodingStyle, Chap 14.
Signed-off-by: Geyslan G. Bem geyslan@gmail.com --- sound/pci/emu10k1/emufx.c | 84 ++++++++++++++++++++++++++--------------------- 1 file changed, 46 insertions(+), 38 deletions(-)
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 0275209..afd4691 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -1182,15 +1182,20 @@ static int _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu) u32 *gpr_map; mm_segment_t seg;
- if ((icode = kzalloc(sizeof(*icode), GFP_KERNEL)) == NULL || - (icode->gpr_map = (u_int32_t __user *) - kcalloc(512 + 256 + 256 + 2 * 1024, sizeof(u_int32_t), - GFP_KERNEL)) == NULL || - (controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, - sizeof(*controls), GFP_KERNEL)) == NULL) { - err = -ENOMEM; - goto __err; - } + err = -ENOMEM; + icode = kzalloc(sizeof(*icode), GFP_KERNEL); + if (!icode) + return err; + + icode->gpr_map = (__user) kcalloc(512 + 256 + 256 + 2 * 1024, + sizeof(u_int32_t), GFP_KERNEL); + if (!icode->gpr_map) + goto __err_gpr; + controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, + sizeof(*controls), GFP_KERNEL); + if (!controls) + goto __err_ctrls; + gpr_map = (u32 __force *)icode->gpr_map;
icode->tram_data_map = icode->gpr_map + 512; @@ -1741,12 +1746,12 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input)) emu->support_tlv = 0; /* clear again */ snd_leave_user(seg);
- __err: +__err: kfree(controls); - if (icode != NULL) { - kfree((void __force *)icode->gpr_map); - kfree(icode); - } +__err_ctrls: + kfree((void __force *)icode->gpr_map); +__err_gpr: + kfree(icode); return err; }
@@ -1813,18 +1818,26 @@ static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) u32 *gpr_map; mm_segment_t seg;
- if ((icode = kzalloc(sizeof(*icode), GFP_KERNEL)) == NULL) - return -ENOMEM; - if ((icode->gpr_map = (u_int32_t __user *) - kcalloc(256 + 160 + 160 + 2 * 512, sizeof(u_int32_t), - GFP_KERNEL)) == NULL || - (controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, - sizeof(struct snd_emu10k1_fx8010_control_gpr), - GFP_KERNEL)) == NULL || - (ipcm = kzalloc(sizeof(*ipcm), GFP_KERNEL)) == NULL) { - err = -ENOMEM; - goto __err; - } + err = -ENOMEM; + icode = kzalloc(sizeof(*icode), GFP_KERNEL); + if (!icode) + return err; + + icode->gpr_map = (__user) kcalloc(256 + 160 + 160 + 2 * 512, + sizeof(u_int32_t), GFP_KERNEL); + if (!icode->gpr_map) + goto __err_gpr; + + controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, + sizeof(struct snd_emu10k1_fx8010_control_gpr), + GFP_KERNEL); + if (!controls) + goto __err_ctrls; + + ipcm = kzalloc(sizeof(*ipcm), GFP_KERNEL); + if (!ipcm) + goto __err_ipcm; + gpr_map = (u32 __force *)icode->gpr_map;
icode->tram_data_map = icode->gpr_map + 256; @@ -2335,14 +2348,8 @@ static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) for (z = 0; z < 16; z++) OP(icode, &ptr, iACC3, FXBUS2(z), C_00000000, C_00000000, EXTIN(z)); } -
- if (gpr > tmp) { - snd_BUG(); - err = -EIO; - goto __err; - } - if (i > SND_EMU10K1_GPR_CONTROLS) { + if (gpr > tmp || i > SND_EMU10K1_GPR_CONTROLS) { snd_BUG(); err = -EIO; goto __err; @@ -2363,13 +2370,14 @@ static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) snd_leave_user(seg); if (err >= 0) err = snd_emu10k1_ipcm_poke(emu, ipcm); - __err: +__err: kfree(ipcm); +__err_ipcm: kfree(controls); - if (icode != NULL) { - kfree((void __force *)icode->gpr_map); - kfree(icode); - } +__err_ctrls: + kfree((void __force *)icode->gpr_map); +__err_gpr: + kfree(icode); return err; }