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stm class: Use a signed return type for stm_find_master_chan

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The return type "unsigned int" was used by the stm_find_master_chan function
despite of the aspect that it will eventually return a negative error code.

Done with the help of Coccinelle.

Signed-off-by: Lucas Tanure <tanure@linux.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lucas Tanure 2016-02-15 19:11:51 +02:00 committed by Greg Kroah-Hartman
parent 396ec3dea3
commit f45f40ad65
1 changed files with 2 additions and 2 deletions
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4
drivers/hwtracing/stm/core.c
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@ -233,7 +233,7 @@ static int find_free_channels(unsigned long *bitmap, unsigned int start,
return -1; return -1;
} }
static unsigned int static int
stm_find_master_chan(struct stm_device *stm, unsigned int width, stm_find_master_chan(struct stm_device *stm, unsigned int width,
unsigned int *mstart, unsigned int mend, unsigned int *mstart, unsigned int mend,
unsigned int *cstart, unsigned int cend) unsigned int *cstart, unsigned int cend)
@ -293,7 +293,7 @@ static int stm_output_assign(struct stm_device *stm, unsigned int width,
goto unlock; goto unlock;
ret = stm_find_master_chan(stm, width, &midx, mend, &cidx, cend); ret = stm_find_master_chan(stm, width, &midx, mend, &cidx, cend);
if (ret) if (ret < 0)
goto unlock; goto unlock;
output->master = midx; output->master = midx;