Messages in this thread | | | Date | Mon, 1 Nov 2021 16:18:03 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH v2] staging: r8188eu: Use kzalloc() with GFP_ATOMIC in atomic context |
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On Mon, Nov 01, 2021 at 03:27:32PM +0100, Fabio M. De Francesco wrote: > Use the GFP_ATOMIC flag of kzalloc() with two memory allocation in > report_del_sta_event(). This function is called while holding spinlocks, > therefore it is not allowed to sleep. With the GFP_ATOMIC type flag, the > allocation is high priority and must not sleep. > > This issue is detected by Smatch which emits the following warning: > "drivers/staging/r8188eu/core/rtw_mlme_ext.c:6848 report_del_sta_event() > warn: sleeping in atomic context". > > After the change, the post-commit hook output the following message: > "CHECK: Prefer kzalloc(sizeof(*pcmd_obj)...) over > kzalloc(sizeof(struct cmd_obj)...)". > > According to the above "CHECK", use the preferred style in the first > kzalloc(). > > Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com> > --- > > v1->v2: Fix an overlooked error due to an incorrect copy-paste > of the sizeof() operator.
What commit does this fix?
thanks,
greg k-h
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