From: "Philippe Mathieu-Daudé" <philmd@redhat.com> To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org, qemu-ppc@nongnu.org, qemu-arm@nongnu.org, "Gerd Hoffmann" <kraxel@redhat.com>, "Paolo Bonzini" <pbonzini@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@redhat.com> Subject: [PATCH v2 1/9] audio/alsaaudio: Replace ALSA alloca() by malloc() equivalent Date: Thu, 6 May 2021 15:37:50 +0200 [thread overview] Message-ID: <20210506133758.1749233-2-philmd@redhat.com> (raw) In-Reply-To: <20210506133758.1749233-1-philmd@redhat.com> The ALLOCA(3) man-page mentions its "use is discouraged". Define the cleanup functions for the snd_pcm_[hw/sw]_params_t types, and replace the ALSA alloca() calls by equivalent ALSA malloc(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> --- audio/alsaaudio.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index fcc2f62864f..f39061ebc42 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -70,6 +70,9 @@ struct alsa_params_obt { snd_pcm_uframes_t samples; }; +G_DEFINE_AUTOPTR_CLEANUP_FUNC(snd_pcm_hw_params_t, snd_pcm_hw_params_free) +G_DEFINE_AUTOPTR_CLEANUP_FUNC(snd_pcm_sw_params_t, snd_pcm_sw_params_free) + static void GCC_FMT_ATTR (2, 3) alsa_logerr (int err, const char *fmt, ...) { va_list ap; @@ -410,9 +413,9 @@ static void alsa_dump_info (struct alsa_params_req *req, static void alsa_set_threshold (snd_pcm_t *handle, snd_pcm_uframes_t threshold) { int err; - snd_pcm_sw_params_t *sw_params; + g_autoptr(snd_pcm_sw_params_t) sw_params = NULL; - snd_pcm_sw_params_alloca (&sw_params); + snd_pcm_sw_params_malloc(&sw_params); err = snd_pcm_sw_params_current (handle, sw_params); if (err < 0) { @@ -444,7 +447,7 @@ static int alsa_open(bool in, struct alsa_params_req *req, AudiodevAlsaOptions *aopts = &dev->u.alsa; AudiodevAlsaPerDirectionOptions *apdo = in ? aopts->in : aopts->out; snd_pcm_t *handle; - snd_pcm_hw_params_t *hw_params; + g_autoptr(snd_pcm_hw_params_t) hw_params = NULL; int err; unsigned int freq, nchannels; const char *pcm_name = apdo->has_dev ? apdo->dev : "default"; @@ -455,7 +458,7 @@ static int alsa_open(bool in, struct alsa_params_req *req, freq = req->freq; nchannels = req->nchannels; - snd_pcm_hw_params_alloca (&hw_params); + snd_pcm_hw_params_malloc(&hw_params); err = snd_pcm_open ( &handle, -- 2.26.3
WARNING: multiple messages have this Message-ID (diff)
From: "Philippe Mathieu-Daudé" <philmd@redhat.com> To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org, "Philippe Mathieu-Daudé" <philmd@redhat.com>, qemu-arm@nongnu.org, qemu-ppc@nongnu.org, "Gerd Hoffmann" <kraxel@redhat.com>, "Paolo Bonzini" <pbonzini@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org> Subject: [PATCH v2 1/9] audio/alsaaudio: Replace ALSA alloca() by malloc() equivalent Date: Thu, 6 May 2021 15:37:50 +0200 [thread overview] Message-ID: <20210506133758.1749233-2-philmd@redhat.com> (raw) In-Reply-To: <20210506133758.1749233-1-philmd@redhat.com> The ALLOCA(3) man-page mentions its "use is discouraged". Define the cleanup functions for the snd_pcm_[hw/sw]_params_t types, and replace the ALSA alloca() calls by equivalent ALSA malloc(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> --- audio/alsaaudio.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index fcc2f62864f..f39061ebc42 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -70,6 +70,9 @@ struct alsa_params_obt { snd_pcm_uframes_t samples; }; +G_DEFINE_AUTOPTR_CLEANUP_FUNC(snd_pcm_hw_params_t, snd_pcm_hw_params_free) +G_DEFINE_AUTOPTR_CLEANUP_FUNC(snd_pcm_sw_params_t, snd_pcm_sw_params_free) + static void GCC_FMT_ATTR (2, 3) alsa_logerr (int err, const char *fmt, ...) { va_list ap; @@ -410,9 +413,9 @@ static void alsa_dump_info (struct alsa_params_req *req, static void alsa_set_threshold (snd_pcm_t *handle, snd_pcm_uframes_t threshold) { int err; - snd_pcm_sw_params_t *sw_params; + g_autoptr(snd_pcm_sw_params_t) sw_params = NULL; - snd_pcm_sw_params_alloca (&sw_params); + snd_pcm_sw_params_malloc(&sw_params); err = snd_pcm_sw_params_current (handle, sw_params); if (err < 0) { @@ -444,7 +447,7 @@ static int alsa_open(bool in, struct alsa_params_req *req, AudiodevAlsaOptions *aopts = &dev->u.alsa; AudiodevAlsaPerDirectionOptions *apdo = in ? aopts->in : aopts->out; snd_pcm_t *handle; - snd_pcm_hw_params_t *hw_params; + g_autoptr(snd_pcm_hw_params_t) hw_params = NULL; int err; unsigned int freq, nchannels; const char *pcm_name = apdo->has_dev ? apdo->dev : "default"; @@ -455,7 +458,7 @@ static int alsa_open(bool in, struct alsa_params_req *req, freq = req->freq; nchannels = req->nchannels; - snd_pcm_hw_params_alloca (&hw_params); + snd_pcm_hw_params_malloc(&hw_params); err = snd_pcm_open ( &handle, -- 2.26.3
next prev parent reply other threads:[~2021-05-06 13:38 UTC|newest] Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-06 13:37 [PATCH v2 0/9] misc: Replace alloca() by g_malloc() Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé [this message] 2021-05-06 13:37 ` [PATCH v2 1/9] audio/alsaaudio: Replace ALSA alloca() by malloc() equivalent Philippe Mathieu-Daudé 2021-05-06 13:37 ` [PATCH v2 2/9] backends/tpm: Replace qemu_mutex_lock calls with QEMU_LOCK_GUARD Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 14:46 ` Stefan Berger 2021-05-06 15:07 ` Christophe de Dinechin 2021-05-06 15:07 ` Christophe de Dinechin 2021-05-06 13:37 ` [PATCH v2 3/9] backends/tpm: Replace g_alloca() by g_malloc() Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 14:46 ` Stefan Berger 2021-05-06 14:46 ` Stefan Berger 2021-05-06 13:37 ` [PATCH v2 4/9] bsd-user/syscall: Replace alloca() by g_new() Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 14:16 ` Warner Losh 2021-05-06 14:20 ` Peter Maydell 2021-05-06 14:20 ` Peter Maydell 2021-05-06 14:48 ` Warner Losh 2021-05-06 14:57 ` Philippe Mathieu-Daudé 2021-05-06 15:07 ` Warner Losh 2021-05-06 14:25 ` Eric Blake 2021-05-06 14:55 ` Warner Losh 2021-05-06 15:12 ` Eric Blake 2021-05-06 15:12 ` Eric Blake 2021-05-06 15:30 ` Warner Losh 2021-05-06 15:42 ` Eric Blake 2021-05-06 15:42 ` Eric Blake 2021-05-06 16:03 ` Peter Maydell 2021-05-06 16:03 ` Peter Maydell 2021-05-06 16:09 ` Warner Losh 2021-05-06 15:58 ` Peter Maydell 2021-05-06 15:58 ` Peter Maydell 2021-05-06 16:08 ` Warner Losh 2021-05-06 13:37 ` [PATCH v2 5/9] gdbstub: Constify GdbCmdParseEntry Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 13:37 ` [PATCH v2 6/9] gdbstub: Only call cmd_parse_params() with non-NULL command schema Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 19:21 ` Alex Bennée 2021-05-06 19:21 ` Alex Bennée 2021-05-06 13:37 ` [PATCH v2 7/9] gdbstub: Replace alloca() + memset(0) by g_new0() Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 19:22 ` Alex Bennée 2021-05-06 19:22 ` Alex Bennée 2021-05-06 13:37 ` [PATCH v2 8/9] hw/misc/pca9552: Replace g_newa() by g_new() Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 13:37 ` [PATCH v2 9/9] target/ppc/kvm: Replace alloca() by g_malloc() Philippe Mathieu-Daudé 2021-05-06 13:37 ` Philippe Mathieu-Daudé 2021-05-06 14:45 ` Greg Kurz 2021-05-06 14:45 ` Greg Kurz 2021-05-07 1:05 ` David Gibson 2021-05-07 1:05 ` David Gibson 2021-05-06 14:22 ` [PATCH v2 0/9] misc: " Warner Losh 2021-05-06 14:28 ` Eric Blake 2021-05-06 15:02 ` Warner Losh
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