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greybus: svc: use kzalloc_flex

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Avoid manual sizeof math by using the proper helper.

Also use struct_size for the buffer size.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260317031458.93315-1-rosenp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rosen Penev
2026-03-16 20:14:58 -07:00
committed by Greg Kroah-Hartman
parent 41837c1dea
commit 8ca3d3b1c3
1 changed files with 2 additions and 3 deletions
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5
drivers/greybus/svc.c
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@@ -775,10 +775,9 @@ static void gb_svc_pwrmon_debugfs_init(struct gb_svc *svc)
if (!rail_count || rail_count > GB_SVC_PWRMON_MAX_RAIL_COUNT)
goto err_pwrmon_debugfs;
bufsize = sizeof(*rail_names) +
GB_SVC_PWRMON_RAIL_NAME_BUFSIZE * rail_count;
bufsize = struct_size(rail_names, name, rail_count);
rail_names = kzalloc(bufsize, GFP_KERNEL);
rail_names = kzalloc_flex(*rail_names, name, rail_count);
if (!rail_names)
goto err_pwrmon_debugfs;