Messages in this thread | | | Date | Sun, 22 Oct 2006 16:09:56 -0700 (PDT) | From | Amit Choudhary <> | Subject | Re: Hopefully, kmalloc() will always succeed, but if it doesn't then.... |
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--- Jan Engelhardt <jengelh@linux01.gwdg.de> wrote:
> > $ make -C /erk/kernel/linux-2.6.19-rc2 M=$PWD > CC [M] /dev/shm/test.o > /dev/shm/test.c: In function âfuncâ: > /dev/shm/test.c:4: warning: âbâ may be used uninitialized in this > function >
It would be nice if this warning can be seen in all the cases without doing anything extra. But sometimes I do not see it.
I compiled sound/pci/mixart/mixart_hwdep.c - did "make modules".
It has the following code but I did not get any warnings.
static int mixart_enum_connectors(struct mixart_mgr *mgr) { u32 k; int err; struct mixart_msg request; struct mixart_enum_connector_resp *connector; struct mixart_audio_info_req *audio_info_req; struct mixart_audio_info_resp *audio_info;
connector = kmalloc(sizeof(*connector), GFP_KERNEL); audio_info_req = kmalloc(sizeof(*audio_info_req), GFP_KERNEL); audio_info = kmalloc(sizeof(*audio_info), GFP_KERNEL); if (! connector || ! audio_info_req || ! audio_info) { err = -ENOMEM; goto __error; }
root@zephyr-7 linux-2.6.19-rc1]# make modules scripts/kconfig/conf -s arch/i386/Kconfig CHK include/linux/version.h CHK include/linux/utsrelease.h ... CC [M] sound/pci/mixart/mixart.o CC [M] sound/pci/mixart/mixart_core.o CC [M] sound/pci/mixart/mixart_hwdep.o CC [M] sound/pci/mixart/mixart_mixer.o LD [M] sound/pci/mixart/snd-mixart.o Building modules, stage 2. MODPOST 44 modules CC sound/core/snd-hwdep.mod.o LD [M] sound/core/snd-hwdep.ko ... [root@zephyr-7 linux-2.6.19-rc1]#
Regards, Amit
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