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author | Yongsul Oh | 2012-03-20 02:38:38 +0100 |
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committer | Felipe Balbi | 2012-05-04 14:53:06 +0200 |
commit | 124ef389256f71042ab5dedde98dee5e9999a635 (patch) | |
tree | 1473efbd86a1e4c30c87dcd66b0bd9365daba493 /drivers/usb/gadget/fsl_udc_core.c | |
parent | usb: gadget: f_mass_storage: remove deprecated fsg_add() (diff) | |
download | kernel-qcow2-linux-124ef389256f71042ab5dedde98dee5e9999a635.tar.gz kernel-qcow2-linux-124ef389256f71042ab5dedde98dee5e9999a635.tar.xz kernel-qcow2-linux-124ef389256f71042ab5dedde98dee5e9999a635.zip |
usb: gadget: composite: prevent a memory leak when configuration bind fails
In some USB composite gadget drivers, the configuration's bind function called
by the usb_add_config() calls multiple bind config functions. (for example cdc2
configuration bind function in the cdc_do_config() of the cdc2.c has two
functionality bind config functions.
- the ecm_bind_config() & the acm_bind_config())
In each functionality bind config function, new instance is allocated and
finally added by the usb_add_function().
So if an error occurred during the second functionality bind config (for
example an error occurred at the acm_bind_config() after succeeding of the
ecm_bind_function()), the instance created by the acm_bind_config() cannot be
freed creating a memory leak.
This patch fixes this issue.
Signed-off-by: Yongsul Oh <yongsul96.oh@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/fsl_udc_core.c')
0 files changed, 0 insertions, 0 deletions